1-AZABENZO(B)PYRENE 10-Azabenzo(a)pyrene 189-92-4 3-Azabenzo(d)pyrene 4-20-00-04414 (Beilstein Handbook Reference) BRN 0014606 Phenaleno(1,9-gh)quinoline Pyreno(1,2-b)pyridine Pyrenoline Pyrido(2',3':4)pyrene