2H-Cyclopenta[b]furan-2-one, 5-(benzoyloxy)hexahydro-4-[(1E)-3-oxo-5-phenyl-1-penten-1-yl]-, (3aR,4R,5R,6aS)-;
(3aR,4R,5R,6aS)-4-[3-oxo-5-phenyl-1E-pentenyl]-5-(benzoyloxy)-hexahydro-2H-cyclopenta[b]furan-2-one;
(3aR,4R,5R,6aS)-2-Oxo-4-((E)-3-oxo-5-phenylpent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-5-yl benzoate;
(3aR,4R,5R,6aS)-2-Oxo-4-[(1E)-3-oxo-5-phenyl-1-penten-1-yl]hexahydro-2H-cyclopenta[b]furan-5-yl benzoate;
benzoic acid (3aR,4R,5R,6aS)-2-oxo-4((E)-3-oxo-5-phenyl-pent-1-enyl)-hexahydro-cyclopenta[b]furan-5-yl ester;
(1S,5R,6R,7R)-6-[(E)-3-Oxo-5-phenyl-1-pentenyl]-7-benzoyloxy-2-oxabicyclo[3,3,0]octan-3-one;