Synonyms: [1,1'-Biphenyl]-4-carboxylicacid,(3aR,4R,5R,6aS)-hexahydro-2-oxo-4-[(1E)-3-oxo-5-phenyl-1-pentenyl]-2H-cyclopenta[b]furan-5-ylester (9CI);[1,1'-Biphenyl]-4-carboxylic acid,hexahydro-2-oxo-4-(3-oxo-5-phenyl-1-pentenyl)-2H-cyclopenta[b]furan-5-yl ester,[3aR-[3aa,4a(E),5b,6aa]]-;