 | C4X-219924 | 430433-40-2 | Impurity | |
| Berberine Impurity 24 |
| C4X-21993 | 2435-73-6 | Impurity | |
| Berberine Impurity 3 |
| C4X-21994 | N/A | Impurity | |
| Berberine Impurity 4 |
| C4X-21995 | 38691-95-1 | Impurity | |
| Berberine Impurity 5 (Groenlandicine Bromide) |
 | C4X-22001 | 20744-51-8 | Impurity | |
| Deoxystreptamine-kanosaminide |
| C4X-220010 | N/A | Impurity | |
| Tobramycin Impurity 10 |
| C4X-220012 | 51736-77-7(free base) | Impurity | |
| Tobramycin Impurity 12 xHAc |
| C4X-220013 | 19309-98-9 (free base) | Impurity | |
| Tobramycin Impurity 13 HCl |
| C4X-220014 | 52850-89-2 | Impurity | |
| Tobramycin Impurity 14 |
 | C4X-220015 | 207670-58-4 | Impurity | |
| Tobramycin Impurity 15 |
