 | C4X-20099 | 1736-72-7 | Impurity | |
| Riluzole Impurity 9 |
 | C4X-20101 | 50698-76-5 | Impurity | |
| Carbocisteine S-Isomer |
 | C4X-201010 | 1601460-92-7 | Impurity | |
| Carbocisteine Impurity 10 |
| C4X-201011 | 25515-73-5 | Impurity | |
| Carbocisteine Impurity 11 |
 | C4X-201012 | 88933-48-6 | Impurity | |
| Carbocisteine Impurity 12 |
| C4X-201013 | 21301-10-0 | Impurity | |
| Carbocisteine Impurity 13 |
| C4X-201014 | N/A | Impurity | |
| Carbocisteine Impurity 14 |
| C4X-201016 | 79-11-8 | Impurity | |
| Carbocisteine Impurity 16 |
| C4X-201017 | 15253-37-9 | Impurity | |
| Carbocisteine Impurity 17 |
| C4X-201018 | 15253-37-9 | Impurity | |
| ?????C4X-201017?Carbocisteine Impurity 18 |
