77943-72-7

(1S,3aR,4R,5R,6R,7aS)-1-(acetyloxy)-6-[(5R,5aR,9aS)-5,9a-dimethyl-2,7-dioxo-5,5a,6,7,9,9a-hexahydro-2H-pyrano[3,4-b]oxepin-5-yl]-5-(formyloxy)-3-(furan-3-yl)-7a-hydroxy-3a-methyl-7-methylideneoctahydro-1H-inden-4-yl (3S)-2-hydroxy-3-methylpentanoate