NC60233
Spiro[5,9-epoxy-2H-furo[3,2-b]oxocin-2,2′-piperidine]-1′-carboxylic acid, 5-[(3S,4S,6R,8S)-8-[(2R,2′S,2′′S,3aS,6S,6′′S,7aS)-2,3,3′,3′′,3a,4′,6,6′′,7,7a-decahydro-6′′-[(1E)-5-hydroxy-1-pentenyl]-6-methyldispiro[5H-furo[3,2-b]pyran-5,2′(5′H)-furan-5′,2′′-[2H]pyran]-2-yl]-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4,6-dimethyl-2-methylene-7-oxo-8-[(triethylsilyl)oxy]octyl]octahydro-3′,5′,7-trimethyl-, 2-(trimethylsilyl)ethyl ester, (2S,3′S,3aR,5S,5′R,7S,9R,9aR)-