| 1Pharmaceutical impurities |
|---|
| 2Acetaminophen |
| 3Pindolol |
| 4Quinine |
| 5Acebutolol |
| 6Chlorpheniramine |
| 7Triprolidine |
| 8Prednisolone |
| 9Nortriptyline |
| 104-Chlorobenzoic acid |
| 115-Methyl-2-hydroxy benzaldehyde |
| 124-Chlorocinnamic acid |
| 13Diazepam |
| 14Diflunisal |
| 15Niflumic acid |
| 16Hexanophenone |















