| 83881-51-0 | Cetirizine | C21H25ClN2O3 |
| 83881-52-1 | Cetirizine hydrochloride | C21H25ClN2O3.2(HCl) |
| 83881-46-3 | Cetirizine Methyl Ester | C22H27 Cl N2 O3 |
| 83881-08-7 | 21-CHLORO-9-BETA,11-BETA-EPOXY-17-HYDROXY-16-ALPHA-METHYLPREGNA-1,4-DIENE-3,20-DIONE | C22H27 Cl O4 |
| 83881-37-2 | Cetirizine Amide | C21H26 Cl N3 O2 |
| 83881-42-9 | Acetamide, 2-(2-(4-((2-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy )-, dihydrochloride | C21H26 Cl N3 O2 . 2 Cl H |
| 83881-43-0 | 2-(2-(4-((4-Methoxyphenyl)phenylmethyl)-1-piperazinyl)ethoxy)acetamide dihydrochloride | C22H29 N3 O3 . 2 Cl H |