 | C4X-193552 | 2021249-10-3 | Stable isotopes | |
| Vilanterol-d4 Triphenylacetate |
| C4X-193553 | 2021249-10-3 | Stable isotopes | |
| Vilanterol-d4 Triphenylacetate |
 | C4X-193833 | 706779-91-1 (unlabelled) | Stable isotopes | |
| Pimavanserin-d4 |
| C4X-194811 | NA | Stable isotopes | |
| Methylergonovine-13C-d3 |
| C4X-195113 | NA | Stable isotopes | |
| Fluvoxamine-d4 Maleate |
| C4X-195135 | NA | Stable isotopes | |
| Fluvoxamine-d4 Maleate |
| C4X-19588 | NA | Stable isotopes | |
| Scopolamine-d3 Hydrobromide |
| C4X-19595 | NA | Stable isotopes | |
| Rifapentine-D8 |
 | C4X-196144 | 1265295-92-8 | Stable isotopes | |
| Selexipag-d6 |
| C4X-196232 | NA | Stable isotopes | |
| Varenicline-d4 Hydrochloride (Major) |
