(+)-(15S)-(tert-butyldimethylsilanyloxy)-(6S,13R,19S)-trimethyl-11-methylene-(9R)-propyl-8,20-dioxabicyclo[15.2.1]icosane-7,14-dione

(-)-(2S)-methyl-6-[(3S)-methyl-(5R)-(2-oxoethyl)tetrahydrofuran-(2S)-yl]hexanoic acid (5R)-methyl-3-oxo-7-phenyl-(1R)-propylhept-6-ynyl ester

(+)-(15S)-(tert-butyldimethylsilanyloxy)-(6S,13R,19S)-trimethyl-(9R)-propyl-8,20-dioxabicyclo[15.2.1]icosane-7,11,14-trione

(-)-6-[(5R)-allyl-(3S)-methyltetrahydrofuran-(2S)-yl]-(2S)-methylhexanoic acid 3-benzylidene-(5S)-methyl-7-phenyl-(1R)-propylhept-6-ynyl ester

(+)-6-[(5R)-allyl-(3S)-methyltetrahydrofuran-(2S)-yl]-(2S)-methylhexanoic acid 3-benzylidene-(5R)-methyl-7-phenyl-(1R)-propylhept-6-ynyl ester