1(2H)-Phthalazinone, 4-((4-chlorophenyl)methyl)-2-(hexahydro-1-methyl-1H-azepin-4-yl)- 37932-96-0 4-((4-Chlorophenyl)methyl)-2-(hexahydro-1-methyl-1H-azepin-4-yl)-1(2H)-phthalazinone hydrochloride 4-(p-Chlorobenzyl)-2-(hexahydro-1-methyl-1H-azepin-4-yl)-1-(2H)-phthalazinone 58581-89-8 79307-93-0 Azelastina [INN-Spanish] Azelastine Azelastinum [INN-Latin] BRN 0900747