 | C4X-201021 | N/A | Impurity | |
| Carbocisteine Impurity 21 HCl |
| C4X-201023 | N/A | Impurity | |
| Carbocisteine Impurity 23 Trisodium Salt |
| C4X-201024 | N/A | Impurity | |
| Carbocisteine Impurity 24 2 Hydrochlorides?Enantiomeric mixture? |
| C4X-20103 | 88620-38-6 | Impurity | |
| Carbocisteine Impurity 3 |
 | C4X-20104 | 5439-87-2 | Impurity | |
| Carbocisteine Impurity 4(Mixture of diastereomers) |
 | C4X-20107 | 61475-35-2 | Impurity | |
| Carbocisteine (R)-S-Oxide |
 | C4X-20111 | 16150-45-1 | Impurity | |
| Sodium Cromoglicate Impurity 1 |
 | C4X-201111 | 16110-51-3 | Impurity | |
| Sodium Cromoglicate Impurity 11 |
| C4X-201116 | N/A | Impurity | |
| Sodium Cromoglicate Impurity 16 |
 | C4X-201117 | 699-83-2 | Impurity | |
| Sodium Cromoglicate Impurity 17 |
