(E)-7-{(1R,2R,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-(S)-3-(tert-butyl-dimethyl-silanyloxy)-oct-1-enyl]-5-oxo-cyclopentyl}-hept-5-enoic acid methyl ester

2-<(7-Iodo-5-heptynyl)oxy>-2H-tetrahydropyran

7-[(1R,5R,6R)-6-((Z)-Hept-1-enyl)-3-oxo-bicyclo[3.1.0]hex-2-yl]-hept-5-ynoic acid methyl ester