 | C4X-139260 | N/A | Impurity | |
| Famotidine impurity 60 |
| C4X-139261 | N/A | Impurity | |
| Famotidine Impurity 61 |
| C4X-139262 | N/A | Impurity | |
| Famotidine impurity 62 |
 | C4X-13927 | 76823-97-7 | Impurity | |
| Famotidine EP Impurity G |
| C4X-13928 | 88046-01-9 | Impurity | |
| Famotidine EP Impurity H Dihydrochloride |
 | C4X-13929 | 1020719-36-1 | Impurity | |
| Famotidine EP Impurity I |
 | C4X-13931 | 65445-14-9 | Impurity | |
| Alfacalcidol EP Impurity A |
 | C4X-13932 | 63181-13-5 | Impurity | |
| Alfacalcidol EP Impurity B |
| C4X-13933 | 82266-85-1 | Impurity | |
| Alfacalcidol EP Impurity C |
 | C4X-13935 | 1428946-52-4 | Impurity | |
| Methylene Calcitriol |
