(-)-8-bromo-2-oxabicyclo<3.3.0>oct-6-en-3-one

(3aR,4R,6aS)-4-[(1E,3S)-3-(tert-butyl-dimethylsilanyloxy)-oct-1-enyl]-3,3a,4,6a-tetrahydro-cyclopenta[b]furan-2-one

8-exo-(3'-t-butyldimethylsilyloxyoct-1'-enyl)-2-oxabicyclo<3.3.0>oct-6-en-3-ol

(3aR,6S,6aR)-6-[(E)-(S)-3-(tert-Butyl-dimethyl-silanyloxy)-oct-1-enyl]-3,3a,6,6a-tetrahydro-cyclopenta[b]furan-2-one

(4aR,7S,7aR)-2,7-Dimethyl-octahydro-[2]pyrindin-3-one

7-<4'-exo-(3''-t-butyldimethylsilyloxyoct-1''-enyl)-5'-hydroxycyclopent-2'-enyl>hept-5-enoic acid

[(1S,4S,5R)-5-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-4-methyl-cyclopent-2-enyl]-acetic acid

Cyclopenta[c]pyran-3(1H)-one, hexahydro-7-methyl-, (4aR,7S,7aR)-

[4aS,5Z,7S,7aR]-7-methyl-4,4a,7,7a-tetrahydro-1H-cyclopenta[c]pyran-3-one