Synonyms: | Cyclobuta[2,3]cyclobuta[1,2-a]cyclopenta[f]naphthalene,2,5-cyclopregnane deriv.;Cyclobuta[2,3]cyclobuta[1,2-a]cyclopenta[f]naphthalene, 6-ethylhexadecahydro-3a,5a-dimethyl-,[3aR-(3aa,3bb,5aa,6a,8ab,8ba)]-; [3aR-(3aa,3bb,5aa,6a,8ab,8ba)]-6-Ethylhexadecahydro-3a,5a-dimethylcyclobuta[2,3]cyclobuta[1,2-a]cyclopenta[f]naphthalene |