[8-(4-methylphenyl)sulfonyloxy-9,10-dioxoanthracen-1-yl] 4-methylbenzenesulfonate

1,8-dichloro-4,5-dihydroxyanthracene-9,10-dione

1-methoxy-8-prop-2-enoxyanthracene-9,10-dione

1-hydroxy-8-methoxy-2-prop-2-enylanthracene-9,10-dione

1,8-dimethoxy-2-prop-2-enylanthracene-9,10-dione