 | C4X-209610 | 1279033-05-4 | Stable isotopes | |
| Benazeprilat-d5 (Benazepril EP Impurity C-d5) |
 | C4X-20969 | 1279026-26-4 | Stable isotopes | |
| Benazepril-d5 HCl |
 | C4X-210043 | NA | Stable isotopes | |
| Remdesivir-d4 |
 | C4X-21049 | 1354560-58-9 | Stable isotopes | |
| Pyridoxal 5'-Phosphate-d3 |
 | C4X-21052 | 53866-34-5 | Stable isotopes | |
| Estrone-d4 (Estriol EP Impurity B-d4) |
 | C4X-21054 | 285979-80-8 | Stable isotopes | |
| Estrone-d4 3-Sulfate Sodium Salt |
| C4X-21214 | 1206185-52-5 | Stable isotopes | |
| Levulinic-d5 Acid |
 | C4X-21301 | 1219794-57-6 | Stable isotopes | |
| Tolbutamide-d9 |
| C4X-21362 | NA | Stable isotopes | |
| Degarelix-d7 Trifluoroacetate |
| C4X-21385 | NA | Stable isotopes | |
| Benzhexol-d5 |
