Synonyms: Cyclobuta[j]cyclopenta[a]phenanthrene,1'H-cyclobuta[4,5]cholestane deriv.; Cyclobuta[j]cyclopenta[a]phenanthrene,8-(1,5-dimethylhexyl)-2a,3,4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-hexadecahydro-5a,7a-dimethyl-,[5aR-[5aa,5bb,7aa,8a(R*),10ab,10ba]]-; [5aR-[5aa,5bb,7aa,8a(R*),10ab,10ba]]-8-(1,5-Dimethylhexyl)-2a,3,4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-hexadecahydro-5a,7a-dimethylcyclobuta[j]cyclopenta[a]phenanthrene