SMILES: C1=C(C=C(C(=C1Cl)C2=C(C=C(C=C2Cl)Cl)Cl)Cl)Cl
Description: The molecule is a hexachlorobiphenyl that is biphenyl in which both of the phenyl rings are substituted at positons 2, 4, and 6 by chlorines. It is a hexachlorobiphenyl and a trichlorobenzene.