 | C4X-177918 | 113892-08-3 | Stable isotopes | |
| ?-Tocopherol-d6 |
 | C4X-177938 | 1354064-87-1 | Stable isotopes | |
| Ascorbic acid 13C6 |
 | C4X-179422 | 1215821-44-5 | Stable isotopes | |
| Fexofenadine-d10 HCl |
 | C4X-179738 | NA | Stable isotopes | |
| Tenofovir Alafenamide-d5 (Diastereomers) |
| C4X-179739 | NA | Stable isotopes | |
| Tenofovir Alafenamide-d6 (Mixture of Diastereomers) |
| 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) |
