(1,1'-BIPHENYL)-4-CARBOXYLIC ACID, HEXAHYDRO-2-OXO-4-((TRIPHENYLMETHOXY)METHYL)-2H-CYCLOPENTA(B)FURAN-5-YL ESTER, (3AR-(3A.ALPHA.,4.ALPHA.,5.BETA.,6A.ALPHA.))-
(1,1'-biphenyl)-4-carboxylic acid, hexahydro-2-oxo-4-((triphenylmethoxy)methyl)-2h-cyclopenta(b)furan-5-yl ester, (3ar-(3a.alpha.,4.alpha.,5.beta.,6a.alpha.))-