5-Acetoxy-1,4,4a,9a-tetrahydro-8-hydroxy-1-methoxy-1,4-ethano-9,10-anthrachinon

5-Acetoxy-8-ethoxy-1,4,4a,9a-tetrahydro-1-methoxy-1,4-ethano-9,10-anthrachinon

2-methyl-9-hydroxy-10-chloro-1,4-anthraquinone

1,4-dihydroxy-5-nitroanthracene-9,10-dione

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