1,4-dihydroxy-9,10-anthracenedione
dihydroxy-1,4 (hydroxy-3 propyl)-2 anthraquinone-9,10
(-)-(S)<(dimethyl-2,2 dioxolanne-1,3 yl-4) methyl>-2 dihydroxy-1,4 anthraquinone-9,10
<(dimethyl-2,2 dioxolanne-1,3 yl-4) hydroxymethyl>-2 dihydroxy-1,4 anthraquinone-9,10
1,4-anthraquinone