1,1'-Bi(2-methylanthraquinone)

2,2'-dimethyl-1,1'-bianthraquinone

2,2'-Dimethyl-1,1'-bi[9,10-anthraquinone]

1-(9,10-diketo-2-methyl-1-anthryl)-2-methyl-9,10-anthraquinone

2-methyl-1-(2-methyl-9,10-dioxoanthracen-1-yl)anthracene-9,10-dione

2-methyl-1-(2-methyl-9,10-dioxo-anthracen-1-yl)anthracene-9,10-dione