2H-Pyran-6-carboxylic acid,2-[(4R)-4-ethyl-2-oxo-3-oxazolidinyl]-3,4-dihydro-3,4-diphenyl-, methylester, (2R,3S,4R)-
2H-Pyran-6-carboxylic acid,3,4-dihydro-2-oxo-3-(phenylmethyl)-4-propyl-, ethyl ester, (3S,4S)-
2H-Pyran-6-carboxylic acid, 3,4-dihydro-2,2-dimethyl-
2H-Pyran-6-carboxylic acid,3,4-dihydro-3-(1-methylethyl)-2-(4-methyl-1-piperazinyl)-4-phenyl-,methyl ester