| Bromfenac Impurity 6 | NA | Ax-16303 |
| Bromfenac Impurity 5 | NA | Ax-16302 |
| (5-nitropyridin-3-yl)methyl acetate | 131747-34-7 | Ax-16301 |
| 3-(acetoxymethyl)-5-nitropyridine 1-oxide | 131748-13-5 | Ax-16300 |
| Hydroxychloroquine Sulfate Impurity B | 103152-84-7 | Ax-16299 |
| 2,3-dimethylhex-1-ene | 16746-86-4 | Ax-16298 |
| 2,2-dimethylhexan-3-ol | 4209-90-9 | Ax-16297 |
| 2,3-dimethylhex-2-ene | 7145-20-2 | Ax-16296 |
| 2,3,5-trimethylhexane | 1069-53-0 | Ax-16295 |
| (E)-3,5-dimethylhex-2-ene | 3404-79-3 | Ax-16294 |