SMILES: C1=C(C(=CC(=C1[N+](=O)[O-])S(=O)(=O)O)[N+](=O)[O-])[N+](=O)[O-]
Description: The molecule is an arenesulfonic acid that is benzene with a sulfo group at position 1 and three nitro substituents in the 2-, 4- and 5-positions. It has a role as a hapten. It is an arenesulfonic acid and a C-nitro compound.