13,14-dihydro-17H-cyclopenta[a]phenanthrene

11,12,16,17-tetrahydro-15H-cyclopenta [a] phenantrene

Δ8(14),9-dodecahydro-cyclopenta[a]phenanthrene-6,7,11,12-tetracarboxylic acid-6,7,11,12-dianhydride

10-methyl-2,3,4,5,6,7,10,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene

15H-Cyclopenta(A)phenanthren-17-ol, 16,17-dihydro-, p-toluenesulfonate