1,2-Ethanediamine, N-((4-chlorophenyl)methyl)-N',N'-dimethyl-N-2-pyridinyl-, monohydrochloride (9CI) 59-32-5 6170-42-9 Alergosan Allergan S hydrochloride Chloropyramine hydrochloride Chloropyribenzamine hydrochloride Chlorpiramin hydrochloride Chlorpyramine hydrochloride EINECS 228-216-2 Halopyramine hydrochloride NSC 409949 Nilfan Pyridine, 2-((p-chlorobenzyl)(2-(dimethylamino)ethyl)amino)-, monohydrochloride (8CI) Sinopen hydrochloride Suprastin hydrochloride