NC41259
2-(Trimethylsilyl)ethyl (2S,3′S,3aR,5R,5′R,6S,7S,9R,9aR)-5-[(3S,4S,6R,8R)-8-[(2S,2′R,2′′R,3aR,6R,6′′R,7aR)-6′′-[(1E)-5-(acetyloxy)-1-penten-1-yl]-2,3,3′,3′′,3a,4′,6,6′′,7,7a-decahydro-4′′,6-dimethyldispiro[5H-furo[3,2-b]pyran-5,2′(5′H)-furan-5′,2′′-[2H]pyran]-2-yl]-4,6-dimethyl-2-methylene-7-oxo-3,8...