3,4-二甲氧基苯乙酸肼

2-(3,4-dimethoxyphenyl)-2H-benzo[b][1,4]thiazin-3(4H)-one

2-氨基苯硫醇

2-(3,4-dimethoxyphenyl)-N-[2-(3,4-dimethoxyphenyl)ethyl]acetamide

4-hydroxy-6,7-dimethoxynaphthalene-1,2-dione