2-叠氮基-2-脱氧-D-半乳糖

3,4-di-O-benzyl-6-O-(tert-butyldiphenylsilyl)-D-galactal

1,5-anhydro-3,4-di-O-benzyl-6-O-tert-butyldiphenylsilyl-2-deoxy-2-nitro-D-lyxo-hex-1-enitol

O-(3,4-di-O-benzyl-2-deoxy-2-nitro-α-D-galactopyranosyl)-N-(tert-butyloxycarbonyl)-L-threonine tert-butyl ester

O-(3,4-di-O-benzyl-6-O-tert-butyldiphenylsilyl-2-deoxy-2-nitro-α-D-galactopyranosyl)-N-(tert-butyloxycarbonyl)-L-threonine tert-butyl ester