 | C4X-17544 | NA | Stable isotopes | |
| Silodosin glucuronide D4 |
| C4X-175614 | NA | Stable isotopes | |
| Sulbactam-d3 |
| C4X-175621 | 1322625-44-4 | Stable isotopes | |
| Sulbactam-d5 Sodium Salt (Major) |
| C4X-176435 | NA | Stable isotopes | |
| Tiotropium Bromide EP Impurity G-d3 |
| C4X-176436 | NA | Stable isotopes | |
| Tiotropium EP Impurity G(Iodide) D3 |
| C4X-176437 | NA | Stable isotopes | |
| Tiotropium Bromide EP Impurity G-d3 Bromide |
| C4X-176438 | NA | Stable isotopes | |
| Tiotropium Bromide EP Impurity H-d3 Bromide |
| C4X-176716 | 1246911-91-0 | Stable isotopes | |
| rac-Tolterodine-d14 Tartrate |
| C4X-176717 | 1191280-58-6 | Stable isotopes | |
| 5-Hydroxymethyl Tolterodine-d14 Formate |
 | C4X-17761 | 1174683-49-8 | Stable isotopes | |
| Vandetanib-d6 |
