1,4-Benzenediamine, 2,6-dichloro-N'-(4,5-dihydro-1H-imidazol-2-yl)- 4-Aminoclonidine 66711-21-5 Aplonidine Apraclonidina [INN-Spanish] Apraclonidine Apraclonidinum [INN-Latin]