pyridine,tetrahydro,pyran,2h-pyran,tetrahydro-2h-pyran,tetrahydro-2h-pyran-2-yl
2H-pyran
138829-28-42H-Pyran-2,6(3H)-dione,5-acetyl-3-[1-[[(4-chlorophenyl)methyl]amino]ethylidene]-4-hydroxy-
102778-97-2.beta.-D-ribo-Hexopyranos-4-ulose, 1,6-anhydro-2,3-dideoxy-2,3-(3,6-dihydro-3-oxo-2H-pyran-2,6-diyl)-, (2R-cis)-