 | C4X-179740 | NA | Stable isotopes | |
| Tenofovir Alafenamide-d6 (R-Phosphine) |
| C4X-179741 | NA | Stable isotopes | |
| Tenofovir Alafenamide-d7 |
| C4X-180110 | NA | Stable isotopes | |
| Olsalazine-13C6 |
 | C4X-18051 | 2143934-06-7 | Stable isotopes | |
| Fidaxomicin-D7 |
| C4X-181454 | NA | Stable isotopes | |
| Nintedanib-13C-d3 (Intedanib-13C-d3) |
| C4X-18162 | NA | Stable isotopes | |
| Cobicistat-d8 |
| C4X-182210 | NA | Stable isotopes | |
| Leuprolide-d10 Trifluoroacetic Acid Salt |
| C4X-182214 | NA | Stable isotopes | |
| Leuprolide-d5 Acetate |
 | C4X-18231 | 117490-39-8 | Stable isotopes | |
| Theophylline-d6 |
| C4X-18257 | 65391-42-6 | Stable isotopes | |
| Ubenimex-d7 HCl |
