 | C4X-183567 | N/A | Impurity | |
| Hydroxychloroquine Impurity 67 |
| C4X-183568 | 23443-05-2 | Impurity | |
| Hydroxychloroquine Impurity 68 |
| C4X-183569 | 860544-46-3 (free base) | Impurity | |
| Hydroxychloroquine Impurity 69 DiHCl |
 | C4X-18357 | 47493-14-1 | Impurity | |
| Hydroxychloroquine Impurity 7 |
| C4X-183570 | 56881-09-5 | Impurity | |
| Hydroxychloroquine Impurity 70 |
| C4X-183571 | 2411340-31-1 (free base) | Impurity | |
| Hydroxychloroquine Impurity 71 Sulfate |
| C4X-183572 | 2411340-32-2 (free base) | Impurity | |
| Hydroxychloroquine Impurity 72 Sulfate |
| C4X-183573 | N/A | Impurity | |
| Hydroxychloroquine Impurity 73 |
| C4X-183574 | 2411340-32-2 | Impurity | |
| Hydroxychloroquine Impurity 74 |
| C4X-183575 | 100713-49-3 | Impurity | |
| Hydroxychloroquine Impurity 75 |
