 | C4X-136613 | NA | Stable isotopes | |
| (±)-Voriconazole-d3 (Mixture of Enantiomers) |
| C4X-136639 | 137234-62-9 (unlabelled) | Stable isotopes | |
| Voriconazole-d3 |
| C4X-136813 | 1217769-52-2 | Stable isotopes | |
| Diltiazem-d4 Hydrochloride |
 | C4X-137016 | 1185238-09-8 | Stable isotopes | |
| Ranitidine-d6 HCl |
| C4X-137150 | NA | Stable isotopes | |
| Levofloxacin-d3 |
| C4X-137176 | NA | Stable isotopes | |
| N-Desmethyl Levofloxacin-d8 |
 | C4X-137221 | 1233921-75-9 | Stable isotopes | |
| Gemcitabine EP Impurity C-13C-15N2 |
| C4X-137320 | NA | Stable isotopes | |
| Tryptophan Impurity 20 D9 |
 | C4X-137848 | 1356579-56-0 | Stable isotopes | |
| Daptomycin-d5 |
| C4X-138121 | NA | Stable isotopes | |
| S-Adenosyl-L-Methionine D3 |
