Synonyms: 14,17-Ethano-14H-cyclopenta[a]phenanthrene,14,21-cyclocholane deriv.; 14,17-Ethano-14H-cyclopenta[a]phenanthrene,hexadecahydro-10,13-dimethyl-16-propyl-, [8R-(8a,9b,10a,13a,14b,16a,17b)]-; [8R-(8a,9b,10a,13a,14b,16a,17b)]-Hexadecahydro-10,13-dimethyl-16-propyl-14,17-ethano-14H-cyclopenta[a]phenanthrene