 | C4X-212212 | N/A | Impurity | |
| Mycophenolic Acid Sorbitol Ester |
| C4X-212213 | N/A | Impurity | |
| Mycophenolic Acid Impurity 13 Disodium Salt |
| C4X-21222 | N/A | Impurity | |
| Mycophenolic Acid Impurity 2 (Mycophenolic Acid Dimer) |
 | C4X-21228 | 31858-65-8 | Impurity | |
| Mycophenolic Acid Impurity 8 |
| C4X-21229 | N/A | Impurity | |
| Mycophenolic Acid Impurity 9 |
| C4X-2123 | 201677-61-4 | Impurity | |
| Sivelestat sodium tetrahydrate |
| C4X-21231 | 5973-34-2 | Impurity | |
| Sivelestat sodium Impurity 1 |
| C4X-212310 | N/A | Impurity | |
| Sivelestat Impurity 10 |
| C4X-212311 | N/A | Impurity | |
| Sivelestat Impurity 11 |
| C4X-212312 | N/A | Impurity | |
| Sivelestat Impurity 12 |
