 | C4X-147323 | NA | Stable isotopes | |
| Propofol D14 |
| C4X-147424 | NA | Stable isotopes | |
| Beclomethasone Dipropionate-d6 |
| C4X-147425 | NA | Stable isotopes | |
| Beclomethasone 17-Propionate-d5 |
| C4X-147426 | NA | Stable isotopes | |
| Beclomethasone-17-Monopropionate-d3 |
 | C4X-148225 | 474668-57-0 | Stable isotopes | |
| Bupivacaine-d9 |
 | C4X-14867 | 1189868-12-9 | Stable isotopes | |
| Zolpidem-d6 Phenyl-4-carboxylic Acid |
| C4X-14868 | 1190014-62-0 | Stable isotopes | |
| Zolpidem-d6 6-Carboxylic Acid |
| C4X-148872 | 68767-14-6 (non-labelled) | Stable isotopes | |
| Loxoprofen-d4 |
| C4X-148873 | 371753-19-4 (non-labelled) | Stable isotopes | |
| trans-Hydroxy Loxoprofen-13C-d3 (Mixture of Diastereomers) |
 | C4X-14938 | 1426174-78-8 | Stable isotopes | |
| Naloxone-d5 HCl |
