((2R,3S,4R)-3,4-dihydroxy-3,4-dihydro-2H-pyran-2-yl)methyl 4-methylbenzenesulfonate

(2R,3S,4R)-2-Methyl-3,4-dihydro-2H-pyran-3,4-diol

(2R,3R)-3-hydroxy-2-methyl-2,3-dihydro-4H-pyran-4-one

1,5-anhydro-4-azido-2,6-dideoxy-D-threo-hex-1-enit-ulose

methyl 4-azido-4,6-dideoxy-3-C,2-O-dimethyl-α-D-talo-pyranoside