(2S,6R)-2-Benzyloxymethyl-4,4,6-trimethoxy-tetrahydro-pyran

(2S,6S)-tetrahydro-2-methoxy-6-<(phenylmethoxy)methyl>-4H-pyran-4-one

(2S)-2-benzyloxymethyl-2,3-dihydro-4H-pyran-4-one

(S)-5-Benzyloxy-1-[1,3]dioxolan-2-yl-4-hydroxy-pentan-2-one

methyl 3-O-(tert-butyldiphenylsilyl)-2,4-dideoxy-α-D-erythro-hexopyranoside