SMILES: C1=CC2=C3C(=C1)C=CC4=C(C=CC(=C43)C=C2)[N+](=O)[O-]
Description: The molecule is a nitroarene that is pyrene substituted at the 1-position by a nitro group. A by-product of combustion, it is the predominant nitrated polycyclic aromatic hydrocarbon emitted in a diesel engine. It has a role as a carcinogenic agent. It derives from a hydride of a pyrene.