SMILES: C1=CC(=CC=C1[N+](=O)[O-])O[C@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)O)O
Description: The molecule is a beta-D-galactopyranoside having a 4-nitrophenyl substituent at the anomeric position. It has a role as an affinity label. It is a beta-D-galactoside and a monosaccharide derivative.