 | C4X-147036 | N/A | Impurity | |
| Indometacin Impurity 36 |
| C4X-147037 | N/A | Impurity | |
| Indometacin Impurity 37 |
| C4X-147038 | N/A | Impurity | |
| Indometacin Impurity 38 |
| C4X-147039 | 5354-81-4 | Impurity | |
| Indomethacin Impurity 39 Sodium Salt |
 | C4X-14707 | 402849-26-7 | Impurity | |
| Indometacin EP Impurity G |
 | C4X-14708 | 1601-18-9 | Impurity | |
| Indometacin EP Impurity H |
 | C4X-14709 | 16401-99-3 | Impurity | |
| Indometacin EP Impurity I |
 | C4X-14711 | 66067-44-5 | Impurity | |
| Ketoprofen EP Impurity A |
 | C4X-147110 | 1785759-59-2 | Impurity | |
| Ketoprofen EP Impurity J |
 | C4X-147111 | 60658-04-0 | Impurity | |
| Ketoprofen Ethyl Ester |
