Synonyms: | 1H-Cyclobuta[k]cyclopenta[a]biphenylene,5,8-cycloestrane deriv.; 1H-Cyclobuta[k]cyclopenta[a]biphenylene,tetradecahydro-3a-methyl-, [3aS-(3aa,5ab,5ba,11bb)]-; [3aS-(3aa,5ab,5ba,11bb)]-Tetradecahydro-3a-methyl-1H-cyclobuta[k]cyclopenta[a]biphenylene |