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

2-carboxymethyl-5-nitro-1,4-dihydroxy-9,10-anthraquinone

8-nitro-9-hydroxy-10-chloro-3-di(ethoxycarbonyl)methyl-1,4-anthraquinone

8-nitro-9-hydroxy-10-chloro-1,4-anthraquinone

1,4-Dihydro-5,8-dihydroxy-6-hydroxymethyl-1-methoxy-1,4-ethano-9,10-anthrachinon