Synonyms: 1H-Benzo[e]cyclopenta[a]pyrene,naphtho[1',2',3',4':1,10,9,11]-19-norcholesta-1(10),9(11)-diene deriv.;1H-Benzo[e]cyclopenta[a]pyrene,9-(1,5-dimethylhexyl)-2,3,8,8a,9,10,11,11a,11b,12,13,13a-dodecahydro-8a-methyl-,[8aR-[8aa,9a(R*),11ab,11ba]]-; [8aR-[8aa,9a(R*),11ab,11ba]]-9-(1,5-Dimethylhexyl)-2,3,8,8a,9,10,11,11a,11b,12,13,13a-dodecahydro-8a-methyl-1H-benzo[e]cyclopenta[a]pyrene