 | C4X-173323 | 88741-92-8 (free acid) | Impurity | |
| Piroxicam Impurity 23 Disodium Salt |
 | C4X-17333 | 24683-25-8 | Impurity | |
| Piroxicam EP Impurity C |
 | C4X-17334 | 6639-62-9 | Impurity | |
| Piroxicam EP Impurity D |
 | C4X-17335 | 24683-20-3 | Impurity | |
| Piroxicam EP Impurity E |
 | C4X-17336 | 76508-37-7 | Impurity | |
| Piroxicam EP Impurity F |
 | C4X-17338 | 24683-21-4 | Impurity | |
| Piroxicam EP Impurity H |
 | C4X-17339 | 76508-35-5 | Impurity | |
| Piroxicam EP Impurity I |
 | C4X-17351 | 81176-41-2 | Impurity | |
| Pravastatin EP Impurity A Sodium Salt |
 | C4X-17352 | 722504-46-3 | Impurity | |
| Pravastatin EP Impurity B Sodium Salt |
 | C4X-17353 | 159225-12-4 | Impurity | |
| Pravastatin EP Impurity C Sodium Salt |
