 | C4X-115320 | NA | Stable isotopes | |
| Glyco-obeticholic acid D5 |
| C4X-115322 | NA | Stable isotopes | |
| Tauro-Obeticholic Acid D5 |
| C4X-115324 | NA | Stable isotopes | |
| Tauro 6-Ethlchenodeoxycholic Acid-d5 Sodium Salt |
| C4X-115325 | NA | Stable isotopes | |
| Glycine 6-Ethylchenodeoxycholate-d5 |
| C4X-115326 | NA | Stable isotopes | |
| Obeticholic Acid-d5 Sodium Salt |
| C4X-115421 | 432545-63-6 | Stable isotopes | |
| Methotrexate-d3 |
| C4X-115552 | NA | Stable isotopes | |
| Sitafloxacin-D4 |
 | C4X-115726 | 1279034-15-9 | Stable isotopes | |
| Dextromethorphan-d3 HBr |
| C4X-115727 | 1426174-16-4 | Stable isotopes | |
| Dextrorphan-d3 Tartrate Salt |
 | C4X-115728 | 524713-59-5 | Stable isotopes | |
| Dextrorphan-d3 Tartrate (Dextromethorphan EP Impurity B-d3 Tartrate) |
