char = S;code = 83
char = i;code = 105
char = m;code = 109
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
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char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
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char = o;code = 111
char = n;code = 110
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = l;code = 108
char = f;code = 102
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = y;code = 121
char = r;code = 114
char = i;code = 105
char = d;code = 100
char = o;code = 111
char = x;code = 120
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = h;code = 104
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = e;code = 101
char = y;code = 121
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = -;code = 45
char = p;code = 112
char = a;code = 97
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = -;code = 45
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = .;code = 46
result sql = Simultaneous determination of chondroitin sulfate sodium, allantoin and pyridoxine hydrochloride in pharmaceutical eye drops by an ion-pair high-performance liquid chromatography.
Simultaneous determination of chondroitin sulfate sodium, allantoin and pyridoxine hydrochloride in pharmaceutical eye drops by an ion-pair high-performance liquid chromatography.
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char = n;code = 110
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = -;code = 45
char = p;code = 112
char = a;code = 97
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = -;code = 45
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = ;code = 32
char = (;code = 40
char = H;code = 72
char = P;code = 80
char = L;code = 76
char = C;code = 67
char = );code = 41
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = a;code = 97
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char = e;code = 101
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char = e;code = 101
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char = p;code = 112
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
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char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = s;code = 115
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char = m;code = 109
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char = l;code = 108
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
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char = e;code = 101
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char = i;code = 105
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char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
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char = o;code = 111
char = n;code = 110
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = l;code = 108
char = f;code = 102
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = (;code = 40
char = C;code = 67
char = S;code = 83
char = S;code = 83
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char = l;code = 108
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char = o;code = 111
char = i;code = 105
char = n;code = 110
char = ;code = 32
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char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
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char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
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char = c;code = 99
char = h;code = 104
char = l;code = 108
char = o;code = 111
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char = i;code = 105
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char = (;code = 40
char = V;code = 86
char = B;code = 66
char = (;code = 40
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char = );code = 41
char = );code = 41
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char = ;code = 32
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = m;code = 109
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char = e;code = 101
char = ;code = 32
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char = ;code = 32
char = A;code = 65
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char = m;code = 109
char = a;code = 97
char = ;code = 32
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char = m;code = 109
char = m;code = 109
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char = a;code = 97
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char = t;code = 116
char = ;code = 32
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char = o;code = 111
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char = h;code = 104
char = ;code = 32
char = 2;code = 50
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char = ;code = 32
char = m;code = 109
char = M;code = 77
char = ;code = 32
char = a;code = 97
char = m;code = 109
char = m;code = 109
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char = e;code = 101
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char = t;code = 116
char = a;code = 97
char = i;code = 105
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char = n;code = 110
char = g;code = 103
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char = %;code = 37
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char = a;code = 97
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char = n;code = 110
char = ;code = 32
char = t;code = 116
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char = e;code = 101
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = ;code = 32
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char = f;code = 102
char = ;code = 32
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char = 1;code = 49
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char = 4;code = 52
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char = m;code = 109
char = g;code = 103
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char = (;code = 40
char = -;code = 45
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char = );code = 41
char = ,;code = 44
char = ;code = 32
char = 3;code = 51
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char = 1;code = 49
char = .;code = 46
char = 1;code = 49
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char = 1;code = 49
char = 4;code = 52
char = 8;code = 56
char = 8;code = 56
char = .;code = 46
char = 6;code = 54
char = 4;code = 52
char = ;code = 32
char = m;code = 109
char = g;code = 103
char = ;code = 32
char = L;code = 76
char = (;code = 40
char = -;code = 45
char = 1;code = 49
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 2;code = 50
char = 3;code = 51
char = .;code = 46
char = 3;code = 51
char = 2;code = 50
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char = 3;code = 51
char = .;code = 46
char = 2;code = 50
char = 8;code = 56
char = ;code = 32
char = m;code = 109
char = g;code = 103
char = ;code = 32
char = L;code = 76
char = (;code = 40
char = -;code = 45
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char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
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char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = u;code = 117
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = v;code = 118
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = 2;code = 50
char = .;code = 46
char = 0;code = 48
char = %;code = 37
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = u;code = 117
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ,;code = 44
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = k;code = 107
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = l;code = 108
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = b;code = 98
char = o;code = 111
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = 9;code = 57
char = 9;code = 57
char = .;code = 46
char = 0;code = 48
char = 1;code = 49
char = %;code = 37
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = 1;code = 49
char = .;code = 46
char = 9;code = 57
char = 2;code = 50
char = %;code = 37
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = C;code = 67
char = S;code = 83
char = S;code = 83
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = V;code = 86
char = B;code = 66
char = (;code = 40
char = 6;code = 54
char = );code = 41
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = t;code = 116
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = m;code = 109
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = C;code = 67
char = S;code = 83
char = S;code = 83
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = V;code = 86
char = B;code = 66
char = (;code = 40
char = 6;code = 54
char = );code = 41
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
result sql = An ion-pair high-performance liquid chromatography (HPLC) method has been developed for the simultaneous determination of chondroitin sulfate sodium (CSS), allantoin and pyridoxine hydrochloride (VB(6)) in a commercial eye drops dosage form. An Alltima C(18) column (250 mm x 4.6 mm i.d., 5 microm) was used for the separation at room temperature, with 25 mM ammonium dihydrogen phosphate (containing 0.01% heptanesulfonic acid sodium salt) and acetonitrile (95:5, v/v) as the mobile phase at the flow rate of 0.5 mL min(-1). The detection wavelength for CSS, allantoin and VB(6) was 195 nm, 215 nm and 291 nm, respectively. The method showed good linearity for CSS, allantoin and VB(6), with correlation coefficients greater than 0.9996, in the range of 203.96-815.84 mg L(-1), 371.16-1488.64 mg L(-1), and 23.32-93.28 mg L(-1), respectively. The instrumental and method precisions were adequate with all relative standard deviations lower than 2.0%. The accuracy of this method, measured by the recovery of three compounds from spiked placebo solutions, was from 99.01% to 101.92%. The three components, CSS, allantoin and VB(6) were well separated from other ingredients and degradation products. This method is fast, simple, and can be used for direct and simultaneous determination of CSS, allantoin and VB(6) in the pharmaceutical preparation.

Publication: J Pharm Biomed Anal 2009 Oct 15 ;50(3)::293-7. :doi: 10.1016/j.jpba.2009.04.037.
Publication Date: 2009 Oct 15
Study Author(s): Jin, Pengfei;Ma, Jie;Wu, Xuejun;Zou, Ding;Sun, Chunhua;Hu, Xin;
Institution: Department of Pharmaceutical Science, Beijing Hospital, No. 1 Dahua Road, Dongcheng District, Beijing 100730, China. [email protected]
Shortcut link to this study:
An ion-pair high-performance liquid chromatography (HPLC) method has been developed for the simultaneous determination of chondroitin sulfate sodium (CSS), allantoin and pyridoxine hydrochloride (VB(6)) in a commercial eye drops dosage form. An Alltima C(18) column (250 mm x 4.6 mm i.d., 5 microm) was used for the separation at room temperature, with 25 mM ammonium dihydrogen phosphate (containing 0.01% heptanesulfonic acid sodium salt) and acetonitrile (95:5, v/v) as the mobile phase at the flow rate of 0.5 mL min(-1). The detection wavelength for CSS, allantoin and VB(6) was 195 nm, 215 nm and 291 nm, respectively. The method showed good linearity for CSS, allantoin and VB(6), with correlation coefficients greater than 0.9996, in the range of 203.96-815.84 mg L(-1), 371.16-1488.64 mg L(-1), and 23.32-93.28 mg L(-1), respectively. The instrumental and method precisions were adequate with all relative standard deviations lower than 2.0%. The accuracy of this method, measured by the recovery of three compounds from spiked placebo solutions, was from 99.01% to 101.92%. The three components, CSS, allantoin and VB(6) were well separated from other ingredients and degradation products. This method is fast, simple, and can be used for direct and simultaneous determination of CSS, allantoin and VB(6) in the pharmaceutical preparation.
PMID: 19481898

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