Synonyms: Benzoicacid, 4-hydrazino-, monohydrochloride (9CI);Benzoic acid, p-hydrazino-,hydrochloride (6CI,7CI);Benzoic acid, p-hydrazino-, monohydrochloride (8CI);(4-Carboxyphenyl)hydrazine monohydrochloride;4-Carboxyphenylhydrazinehydrochloride;4-Carboxyphenylhydrazinium chloride;p-Carboxyphenylhydrazine hydrochloride;p-Hydrazinobenzoic acidhydrochloride;4-Hydrazinobenzoic acid hydrochloride;