SMILES: C1=CC(=CC=C1[N+](=O)[O-])O[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CO)O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O)O)O)O
Description: The molecule is a disaccharide derivative that is beta-lactose in which the anomeric hydroxy hydrogen is replaced by a 4-nitrophenyl group. It has a role as a chromogenic compound. It is a glycoside, a C-nitro compound and a disaccharide derivative. It derives from a beta-lactose and a 4-nitrophenol.