15,16-Dihydro-4-methyl-17H-cyclopenta(a)phenanthren-17-one 17H-Cyclopenta(a)phenanthren-17-one, 15,16-dihydro-4-methyl- 27343-45-9 4-Methyl-15,16-dihydro-17H-cyclopenta(a)phenanthren-17-one BRN 2461221