2,3-DIHYDROXYBENZALDEHYDE2,3-二羟基苯甲醛2,3-Dihydroxybenzaldehydeo-Pyrocatechualdehyde (6CI,8CI)5,6-Dihydroxybenzaldehyde3-Formyl-1,2-benzenediol3-Hydroxysalicylaldehyde1,2-Dihydroxy-3-formylbenzene2,3-dihydroxybenzaldehyde5,6-dihydroxybenzaldehydeo-pyrocatechualdehyde2,3-DIHYDROXYBENZALDEHYDE