| Nitromethylene Process Impurity | 75-35-4 | Ax-IMP1618 |
| 1-Benzyl-4-methylpiperidin-3-ol 4-methylbenzenesulfonate | 493040-20-3 | Ax-429 |
| 1-Benzyl-4-methylpiperidin-3-one | 32018-96-5 | Ax-430 |
| Ibuprofen Process Impurity 1 | 100319-40-2 | Ax-IMP1571 |
| T-Butyl p-toluenesulfonate | 4664-57-7 | Ax-432 |
| Ibuprofen (S)-Isomer | 51146-56-6 | Ax-IMP1572 |
| Guaifenesin Impurity B | 14007-09-1 | Ax-IMP2247 |
| Aprepitant Impurity | 10316-00-4 | Ax-IMP1573 |
| Chloromethyl Ethyl Carbonate | 35179-98-7 | Ax-425 |
| Gabapentin enacarbil | 478296-72-9 | Ax-IMP1525 |