| Enalapril EP Impurity A | 1356932-13-2 (salt) ; 76420-74-1 (base) | Ax-IMP627 |
| Famotidine Process Impurity | 106649-95-0 | Ax-IMP626 |
| Amlodipine Process Impurity 2 | 21731-17-9 | Ax-IMP625 |
| Amlodipine Process Impurity 1 | 88150-75-8 | Ax-IMP624 |
| Amlodipine EP Impurity A | 88150-62-3 | Ax-IMP623 |
| Telmisartan Impurity H | 114772-40-6 | Ax-IMP621 |
| Telmisartan Bromo Nitrile Impurity | 114772-54-2 | Ax-IMP620 |
| 2-chloro-N-(2,3-dimethylphenyl) acetamide | 2564-07-0 | Ax-187 |
| Telmisartan Process Impurity 1 | 884330-11-4 | Ax-IMP619 |
| Telmisartan EP Impurity F | 915124-86-6 | Ax-IMP618 |