174198-07-3 2-Butyl-2-(diethylamino)hexanoic acid 2-(4-bromophenyl)hydrazide Hexanoic acid, 2-butyl-2-(diethylamino)-, 2-(4-bromophenyl)hydrazide alpha-(Diethylamino)-alpha-butylhexanoic acid p-bromophenylhydrazide