beta-p-Chlorobenzoylphenylhydrazine 1-(4-Chlorobenzoyl)-2-phenylhydrazine 4-Chlorobenzoic acid N'-phenyl hydrazide N'-Phenyl-p-chlorobenzhydrazide 4-chloro-N'-phenylbenzohydrazide Benzoic acid, 4-chloro-, 2-phenylhydrazide