1-((4-(Dimethylamino)pyridinio)propyl)-4((hydroxyimino)methyl)pyridinium dibromide 27844-79-7 AD 125 Pyridinium, 1-((4-(dimethylamino)pyridinio)propyl)-4-formyl-, dibromide, oxime Pyridinium, 4-(dimethylamino)-4'-formyl-1,1'-trimethylenedi-, dibromide, oxime