 | C4X-17134 | 96487-85-3 | Impurity | |
| Norethindrone EP Impurity F |
 | C4X-17138 | 19637-28-6 | Impurity | |
| Norethindrone Acetate EP Impurity B |
 | C4X-17139 | 2417092-17-0 | Impurity | |
| Norethindrone Acetate EP Impurity H |
 | C4X-17172 | 123155-82-8 | Impurity | |
| Ofloxacin EP Impurity B |
 | C4X-17173 | 95848-94-5 | Impurity | |
| Ofloxacin EP Impurity C |
 | C4X-17177 | 402930-70-5 | Impurity | |
| Ofloxacin EP Impurity E(HCl) |
 | C4X-17181 | 1331668-21-3 | Impurity | |
| Olopatadine Impurity 1 |
| C4X-171814 | 1628639-06-4?free base? | Impurity | |
| Olopatadine Impurity 14 |
| C4X-171817 | 1206456-44-1?free base? | Impurity | |
| Olopatadine Impurity 17 HCl |
 | C4X-17182 | 173174-07-7 | Impurity | |
| Olopatadine USP RC B |
