Methyl (1R,5S,6R,7R)-7-tert-Butyldimethylsilyloxy-6-<3(S)-tert-butyldimethylsilyloxy-E-1-octenyl>bicyclo<3.3.0>oct-2-ene-3-γ-pentenoate

Methyl (1R,5S,6R,7R)-7-Hydroxy-6-[3(S)-hydroxy-E-1-octenyl]bicyclo[3.3.0]oct-2-ene-3-γ-pentenoate

3α-hydroxy-7-oxo-2β-hydroxymethylbicyclo[3.3.0]octane 3-tetrahydropyranyl ether

(1S,2R,3R,5R)-2-ethoxycarbonyl-7,7-ethylenedioxy-3-hydroxy-bicyclo[3.3.0]octane

(1R,5S,6R,7R,1'E)-3,3-ethylenedioxy-6-(3'-oxo-1'-octenyl)-7-tetrahydropyranyloxybicyclo[3.3.0]octane