4-硝基苯基-2-叠氮-2-脱氧-α-D-吡喃半乳糖苷

p-nitrophenyl 2-azido-2-deoxy-4,6-O-p-methoxybenzylidene-α-D-galactopyranoside

2-azido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl trichloroacetimidate