2H-Pyran-3-carboxylicacid, tetrahydro-4-(hydroxyimino)-, ethyl ester
2H-Pyran-3-carboxylic acid, tetrahydro-2,2,4-trimethyl-, methyl ester,(3R,4S)-rel-
2H-Pyran-3-carboxylic acid,2-(2-furanyl)-5,6-dihydro-4-hydroxy-6-phenyl-, methyl ester, (2R,6S)-rel-