128321-88-0

2,6-Methano-3H,9H-oxireno[1,8]cycloocta[1,2-f][2]benzopyran-5-aceticacid, a-(acetyloxy)-9-(3-furanyl)dodecahydro-4,4,6,8a-tetramethyl-3-(2-methyl-1-oxopropoxy)-11,13-dioxo-,methyl ester, (aR,1aR,2R,3R,5S,6S,6aR,8aR,9R,12aR,12bS)-