Chiral(RS)
(1S)-1,2,3,4a,9a,10-Hexahydro-2β,5,10α-trihydroxy-6-[(9,10-dihydro-1,8-dihydroxy-5-acetyl-6-methyl-9,10-dioxoanthracen)-2-yl]-2-methyl-1β-[(R)-1-acetoxyethyl]-4aα,9aα-epoxyanthracene-4,9-dione
(1S)-6-[(5-Acetyl-6-methyl-1,8-dihydroxy-9,10-dihydro-9,10-dioxoanthracen)-2-yl]-1,2,4a,9a-tetrahydro-4aα,9aα-epoxy-1β-[(R)-1-acetoxyethyl]-2β,5-dihydroxy-2-methylanthracene-4,9,10(3H)-trione