SMILES: C1=CC(=CC=C1C2=C(C(=C(C(=C2Cl)Cl)O)Cl)Cl)O
Description: The molecule is a tetrachlorobenzene formed formally by chlorination of biphenyl-4,4'-diol at C-2, -3, -5 and -6. It derives from a biphenyl-4,4'-diol.