 | C4X-115537 | N/A | Impurity | |
| Sitafloxacin Impurity 37 |
| C4X-115538 | N/A | Impurity | |
| Sitafloxacin Impurity 38 |
 | C4X-115539 | 144282-35-9 | Impurity | |
| Sitafloxacin Impurity 39 HCl |
 | C4X-11554 | 127199-06-8 | Impurity | |
| Sitafloxacin Isomer Impurity 4(RSR) |
| C4X-115540 | 144282-35-9 | Impurity | |
| Sitafloxacin Impurity 40 |
 | C4X-115541 | 114152-96-4 | Impurity | |
| Trans-2-fluorocyclopropanamine hydrochloride |
| C4X-115543 | 127199-16-0 | Impurity | |
| Sitafloxacin Impurity 43 |
| C4X-115547 | 1432056-70-6 | Impurity | |
| R-Sitafloxacin Impurity 47 |
 | C4X-115548 | 144282-37-1 | Impurity | |
| S-Sitafloxacin Impurity 48 |
 | C4X-115549 | 129306-06-5 | Impurity | |
| Sitafloxacin Impurity 49 |
