(3aR,4S,5R,6aS)-4-(叔-丁基二苯基硅烷基氧基)甲基-5-羟基-六氢-2H-环戊[b]呋喃-2-酮

7α-trimethylsilyloxy-6β-(3'α-trimethylsilyloxy-4'-phenoxy-1'E-butenyl)-2-oxabicyclo(3.3.0)octan-3-ol