(-)-6beta-羟甲基-7alpha-羟基-顺式-2-氧杂双环[3.3.0]辛-3-酮

Corey aldehyde

(1S*,5R*,6R*,7R*)-7-trimethylsilyloxy-3-oxo-2-oxabicyclo[3.3.0]octane-6-carbaldehyde

γ-lactone of 2β-trimethylsilyloxymethyl-3α-trimethylsilyloxy-5α-hydroxy-1α-cyclopentylacetic acid

7α-hydroxy-6β-(3'-oxo-4'-phenoxy-1'E-butenyl)-2-oxabicyclo(3.3.0)octan-3-one