(3aR,4S,5R,6aS)-4-[[[(1,1-二甲基乙基)二甲基硅烷基]氧基]甲基]六氢-5-[(四氢-2H-吡喃-2-基)氧基]-2H-环戊并[b]呋喃-2-酮 

2H-Cyclopenta[b]furan-2-one, 4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]hexahydro-5-[(tetrahydro-2H-pyran-2-yl)oxy]-, (3aR,4S,5R,6aS)-