Synonyms: | Cyclobuta[1,4]cyclobuta[1,2-a]cyclopenta[f]naphthalene,3,10-cycloestrane deriv.;Cyclobuta[1,4]cyclobuta[1,2-a]cyclopenta[f]naphthalene, hexadecahydro-3a-methyl-,[3aS-(3aa,5ab,10aa,10bb)]-; [3aS-(3aa,5ab,10aa,10bb)]-Hexadecahydro-3a-methylcyclobuta[1,4]cyclobuta[1,2-a]cyclopenta[f]naphthalene |