4-Nitrophenyl2,3,4,6-tetra-O-acetyl-b-D-thiogalactopyranoside

4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-β-D-thiogalactopyranoside

4'-Nitrophenyl-2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranosid