3α,5α-dihydroxy-2β-(benzyloxymethyl)cyclopentane-1α-acetic acid γ-lactone 3-tetrahydropyran-2-yl ether

6-Benzyloxymethyl-7-hydroxy-8-iodo-2-oxabicyclo[3.3.0]octan-3-one

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

(3aR,4S,5R,6aS)-(-)-六氢-4-(羟甲基)-2-氧代-2H-环戊并[b]呋喃-5-基 1,1'-联苯-4-甲酸酯