9,10,10a,11-tetrahydro-indeno[2,1-a]phenanthren-8-one
11a-methyl-6,6a,11,11a-tetrahydro-5H-indeno[2,1-a]phenanthrene
11a-methyl-2,3,4,5,6,6a,11,11a-octahydro-1H-indeno[2,1-a]phenanthrene
indeno[2,1-a]phenanthren-11-one
3,4-Dihydro-indeno<3',2'-1,2>phenanthren