3,4-二羟基苯甲酰肼;
4-???benzene-1,2-diol;3,4-dihydroxy-benzoic acid hydrazide;3,4-Dihydroxybenzhydrazid;3,4-Dihydroxybenzhydrazide;3,4-Dihydroxy-benzoesaeure-hydrazid;
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