15H-Cyclopenta(a)phenanthrene, 16,17-dihydro-3-methoxy-17-methyl- 26584-90-7 3-Methoxy-17-methyl-15H-cyclopenta(a)phenanthrene 3-Methoxy-17-methyl-16,17-dihydro-15H-cyclopenta(a)phenanthrene