10-Methyl-1,2-cyclopentenophenanthrene 15H-Cyclopenta(a)phenanthrene, 16,17-dihydro-7-methyl- 16,17-Dihydro-11-methyl-15H-cyclopenta(a)phenanthrene 3-05-00-02251 (Beilstein Handbook Reference) 63020-76-8 BRN 3267922