Synonyms: Galactopyranoside,o-nitrophenyl, 2',3',4',6'-tetraacetate, b-D- (8CI);Galactopyranoside, o-nitrophenyl,tetraacetate (7CI);O-Nitrophenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside;2-Nitrophenyl2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside;2-Nitrophenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside;