1904-58-1 2-Aminobenzhydrazide 2-Aminobenzoic acid hydrazide 2-Aminobenzoylhydrazine 46004-62-0 Anthranilic acid hydrazide Anthranilic hydrazide Anthranilohydrazide Anthraniloyl hydrazide Benzoic acid, 2-amino-, hydrazide EINECS 217-604-7 NSC 642 o-Aminobenzhydrazide o-Aminobenzoic acid hydrazide o-Aminobenzoic hydrazide