SMILES: C1=CC(=CC=C1N=NC2=C(C=C(C=C2)O)O)[N+](=O)[O-]
Description: The molecule is an azobenzene in which the phenyl rings are 4-nitro- and 2,4-dihydroxy-substituted respectively. It is a member of resorcinols, a C-nitro compound and a member of azobenzenes.