 | C4X-112534 | 1628752-83-9 | Stable isotopes | |
| Palbociclib-d8 |
 | C4X-112610 | 66148-15-0 | Stable isotopes | |
| Nicotinic Acid-d4 |
 | C4X-112826 | 951385-68-5 | Stable isotopes | |
| Sildenafil-d8 |
 | C4X-112832 | 1185168-06-2 | Stable isotopes | |
| Sildenafil EP Impurity F-d8 (N-Desmethyl Sildenafil-d8) |
 | C4X-11291 | NA | Stable isotopes | |
| Arbidol-d6 Hydrochloride |
 | C4X-113020 | 1070969-17-3 | Stable isotopes | |
| Ilaprazole-d3 |
 | C4X-113136 | 1427049-21-5 | Stable isotopes | |
| Brexpiprazole-d8 |
 | C4X-1132126 | 265989-50-2 | Stable isotopes | |
| ortho-Hydroxy Atorvastatin-d5 Lactone |
 | C4X-1132127 | 1276537-19-9 | Stable isotopes | |
| 2-Hydroxy Atorvastatin-d5 Disodium Salt |
 | C4X-1132128 | NA | Stable isotopes | |
| 2-Hydroxy Atorvastatin-d5 Sodium Salt |