9,10-dihydro-3,4-benzophenanthrene

11,12-dihydrobenzo[c]phenanthrene

5,8-dibromobenzo[c]phenanthrene

4-hydroxy-1,2,3,4,5,6-hexahydrobenzo(c)phenanthrene

4-hydroxy-1,2,3,4-tetrahydrobenzo[c]phenanthrene