15H-Cyclopenta(a)phenanthren-15-one, 16,17-dihydro- 16,17-Dihydro-15H-cyclopenta(a)phenanthren-15-one 16,17-Dihydro-15H-cyclopenta(a)phenanthrene-15-one 32425-83-5 4-07-00-01788 (Beilstein Handbook Reference) BRN 2616952