(Z)-(1S,5R,6R,7R,1'S)-7-Benzoyloxy-6-(1'-benzoyloxyoct-2'-enyl)-2-oxabicyclo[3.3.0]octan-3-one

(Z)-(1S,5R,6R,7R,1'R)-7-Benzoyloxy-6-(1'-N-phenylcarbamoyloxyoct-2'-enyl)-2-oxabicyclo[3.3.0]octan-3-one

(3aR,4R,5R,6aS)-4-((S,E)-3-(((Z)-2-methylbut-2-en-1-yl)diphenylsilyl)oct-1-en-1-yl)-2-oxohexahydro-2H-cyclopenta[b]furan-5-yl benzoate

(1R,4R,5S,7R)-5-(tert-Butyl-dimethyl-silanyloxy)-7-[(E)-(S)-3-(tert-butyl-dimethyl-silanyloxy)-oct-1-enyl]-bicyclo[2.2.1]heptan-2-one

(E)-(1α,2α,3β,5α)-2-[3-(dimethyl-t-butylsiloxy)oct-1-enyl]spiro[bicyclo[3.2.0]heptane-6,2'-[1,3]dioxolan]-3-ol