5,8,8aα,9,10,10a-Hexahydro-2,3-dihydroxy-10aα-methyl-4-(1-methylethyl)-6-(4-methyl-3-pentenyl)-9,10-dioxo-1-anthracenecarbaldehyde

(8aR,10aS)-2,3-Dihydroxy-4-isopropyl-10a-methyl-6-(4-methyl-3-pentenyl)-9,10-dioxo-5,8,8a,9,10,10a-hexahydro-1-anthracenecarbaldehyde