4-Chlorobenzhydrazide 4-Chlorobenzohydrazide 4-Chlorobenzoic acid, hydrazide 4-Chlorobenzoyl hydrazide 4-Chlorobenzoylhydrazine 536-40-3 Benzoic acid, 4-chloro-, hydrazide Benzoic acid, p-chloro-, hydrazide NSC54990 p-Chlorobenzhydrazide p-Chlorobenzohydrazide p-Chlorobenzoic acid, hydrazide p-Chlorobenzoic hydrazide p-Chlorobenzoyl hydrazide p-Chlorobenzoylhydrazine