2-(1,4-dihydroxy-4-methylpentyl)-5,8-dihydroxynaphthalene-1,4-dione

5-hydroxy-5-(1,4,5,8-tetramethoxynaphthalen-2-yl)pentan-2-one

1,4-二甲氧基蒽醌

1,4-dihydroxy-5,8-dimethoxynaphthalene

1,4-dimethoxy-5-nitro-9,10-anthraquinone