SMILES: C1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N=O
Description: The molecule is a pyridine having a 4-nitrosobenzenesulfonamido group at the 2-position. It has a role as a drug metabolite and an allergen. It is a nitroso compound, a sulfonamide and a member of pyridines. It derives from a sulfanilamide.