2-羟基-5-(甲氧基甲氧基)-3,4-二甲基苯甲酸

5,8-dihydroxy-6,7-dimethyl-2,3-dihydronaphthalene-1,4-dione

1,4-dihydroxy-2,3-dimethylthioxanthen-9-one

5,8-dihydroxy-2,3,6,7-tetramethylnaphthalene-1,4-dione

1,4-二甲氧基-2,3-甲基苯