 | C4X-183516 | 50-63-5 (unlabelled) | Stable isotopes | |
| Chloroquine-d5 Diphosphate |
 | C4X-183558 | 1854126-45-6 | Stable isotopes | |
| Hydroxychloroquine-d4 Sulfate |
 | C4X-184235 | 1129540-33-5 | Stable isotopes | |
| Paclitaxel-d5 |
 | C4X-184243 | 1315376-90-9 | Stable isotopes | |
| 6-alpha-Hydroxy Paclitaxel-d5 |
| C4X-184930 | NA | Stable isotopes | |
| Isoproterenol-d7 Hydrochloride |
 | C4X-184949 | 1189977-29-4 | Stable isotopes | |
| rac-Epinephrine-d3 |
| C4X-184953 | 74495-70-8 | Stable isotopes | |
| 4-Hydroxy-3-methoxymandelic Acid-d3 |
| C4X-184972 | NA | Stable isotopes | |
| N-Nitroso Epinephrine D3 |
| C4X-185422 | NA | Stable isotopes | |
| Arotinolol-D5 Hydrochloride |
| C4X-18586 | 1286632-72-1 | Stable isotopes | |
| Trimebutine EP Impurity E-d5 HCl |
