 | C4X-245830 | 129273-38-7 (Unlabeled) | Stable isotopes | |
| Perospirone-d8 HCl |
 | C4X-24591 | 1173022-56-4 | Stable isotopes | |
| (±)-4?-Hydroxy Mephenytoin-d3 |
| C4X-246711 | 53251-94-8 (non-labelled) | Stable isotopes | |
| Pinaverium-d4 Bromide (Mixture of Diastereomers) |
| C4X-24711 | 1173023-19-2 | Stable isotopes | |
| N-Desethyl Amodiaquine-d5 |
 | C4X-24716 | 1216894-33-5 | Stable isotopes | |
| N-Desethyl Amodiaquine-d5 DiHCl |
| C4X-248511 | NA | Stable isotopes | |
| Evocalcet-D4 |
| C4X-24936 | 62-75-9 (non-labelled) | Stable isotopes | |
| N-Nitrosodimethylamine-13C-d6 |
 | C4X-25041 | 89059-46-1 | Stable isotopes | |
| "2,3,7,8-Tetrachlorodibenzofuran-13C12" |
| C4X-25121 | NA | Stable isotopes | |
| Rifabutin-d7 |
| C4X-2514 | NA | Stable isotopes | |
| Delamanid-D4 |
