 | C4X-108333 | 346451-15-8 | Impurity | |
| Cetirizine EP Impurity D |
 | C4X-108334 | 1243652-36-9 | Impurity | |
| Cetirizine Impurity 34 (Mixture of Diastereomers) |
 | C4X-108335 | 130018-76-7 | Impurity | |
| Levocetirizine Impurity 35 |
 | C4X-108336 | 1509941-93-8 | Impurity | |
| Cetirizine Polyethylene Glycol (PEG) Ester |
 | C4X-108337 | N/A | Impurity | |
| Cetirizine Impurity 37 HCl (Mixture of Isomers) |
| C4X-108338 | N/A | Impurity | |
| Cetirizine Impurity 38 HCl |
| C4X-108339 | N/A | Impurity | |
| Cetirizine Impurity 39 |
 | C4X-10834 | 856841-95-7 | Impurity | |
| Cetirizine EP Impurity D DiHCl |
| C4X-108340 | N/A | Impurity | |
| Cetirizine Impurity 40 DiHCl |
| C4X-108341 | N/A | Impurity | |
| Levocetirizine Impurity 41 |
