2-hydroxy-9,10-dioxo-9,10-dihydro-anthracene-1-carboxylic acid

2-(4-甲氧基苯甲酰基)苯甲酸

2-ethoxy-9,10-anthraquinone

3-hydroxy-10H-anthracen-9-one

2-甲氧基蒽-9,10-二酮