Cervicarcin

4a,9a-Epoxy-3-(2,3-epoxy-1-oxobutan-1-yl)-1,2,3,4,4a,9a-hexahydro-1,3,4,5,10-pentahydroxy-2-methylanthrone

1,2,3,4-Tetrahydro-1,3,4,5,10-pentahydroxy-2-methyl-3-[(3-methyloxiranyl)carbonyl]-4a,9a-epoxyanthracen-9(10H)-one