4-pyrrolidino-1,5-dihydroxy-9,10-anthraquinone

1,5-二氨基蒽醌

3-methoxy-2-(3-methoxybenzoyl)benzoic acid

1,5-dihydroxy-anthrone

(E)-5,9,10-trihydroxy-4-(propylimino)-3,4-dihydroanthracen-1(2H)-one