N'-(1-methylethylidene)benzohydrazide 1-(α-Hydroxybenzylidene)-2-isopropylidenehydrazine 1-Benzoyl-2-isopropylidenehydrazine 2-Propanone benzoylhydrazone Acetone benzoylhydrazone N'-Isopropylidenebenzhydrazide N'-(propan-2-ylidene)benzohydrazide Benzoic acid, 2-(1-methylethylidene)hydrazide