Methyl (1S,5S,6R,7R)-7-tert-Butyldimethylsilyloxy-6-<3(S)-tert-butyldimethylsilyloxy-E-1-octenyl>bicyclo<3.3.0>octane-E-Δ3,δ-pentanoate

5-[(3aS,4R,5R,6aS)-4-Formyl-5-(tetrahydro-pyran-2-yloxy)-hexahydro-pentalen-(2E)-ylidene]-pentanoic acid methyl ester

Methyl (1S,5S,6S,7R)-6-Hydroxymethyl-7-tetrahydropyranyloxybicyclo<3.3.0>octane-E-Δ3,δ-pentanoate

5-[(3aS,4R,5R,6aS)-5-(tert-Butyl-dimethyl-silanyloxy)-4-[(1E,6Z)-(S)-3-(tert-butyl-dimethyl-silanyloxy)-4-methyl-octa-1,6-dienyl]-hexahydro-pentalen-(2E)-ylidene]-pentanoic acid methyl ester

5-[(3aS,5R,6R,6aS)-5-Hydroxy-6-((E)-3-oxo-oct-1-enyl)-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pentanoic acid methyl ester