... 37 2.4.5 Tổng hợp acetophenon N-(2,3,4,6 -tetra- O-acetyl-β-D-galactopyranosyl )thiosemicarbazon 37 2.4.6 Tổng hợp 3-nitro-4-methoxyacetophenon N-(2,3,4,6 -tetra- O-acetyl-β-Dgalactopyranosyl )thiosemicarbazon ... 2.4.3 Tổng hợp 4-methyl acetophenon N-(2,3,4,6 -tetra- O-acetyl-β-Dgalactopyranosyl )thiosemicarbazon 36 2.4.4 Tổng hợp 4-hydroxyacetophenon N-(2,3,4,6 -tetra- O-acetyl-β-Dgalactopyranosyl )thiosemicarbazon ... 2.4.1 Tổng hợp 4-nitroacetophenon N-(2,3,4,6 -tetra- O-acetyl-β-Dgalactopyranosyl )thiosemicarbazon 35 2.4.2 Tổng hợp 4-methoxyacetophenon N-(2,3,4,6 -tetra- O-acetyl-β-Dgalactopyranosyl)thiosemicarbazon...