(-)-(1S,5R)-2-oxabicyclo[3.3.0]oct-6-en-3-one
(3aR,4S,5R,6aS)-5-hydroxy-4-(hydroxymethyl)hexahydro-2H-cyclopenta[b]furan-2-one
(3aR,4R,5R,6aS)-5-hydroxy-4-((E)-3-hydroxyoct-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one
(-)-7α-hydroxy-6β-(3α-hydroxy-1E-octenyl)-cis-2-oxabicyclo<3.3.0>octan-3-one
(3aR,4R,5R,6a5)-4-[(E,3S)-3-Hydroxy-1-octenyl]perhydrocyclopenta[b]fura n-2,5-diol