1904-58-1 2-Aminobenzhydrazide 2-Aminobenzoic acid hydrazide 2-Aminobenzoylhydrazine Anthranilic acid hydrazide Anthranilic acid, hydrazide Anthranilic hydrazide Anthraniloyl hydrazide Benzoic acid, 2-amino-, hydrazide NSC642 o-Aminobenzhydrazide o-Aminobenzoic acid hydrazide o-Aminobenzoic hydrazide