Synonyms: 14,17-Ethano-14H-cyclopenta[a]phenanthrene,14,21-cyclocholestane deriv.; 14,17-Ethano-14H-cyclopenta[a]phenanthrene,hexadecahydro-10,13-dimethyl-16-(4-methylpentyl)-, [8R-(8a,9b,10a,13a,14b,16a)]-; [8R-(8a,9b,10a,13a,14b,16a)]-Hexadecahydro-10,13-dimethyl-16-(4-methylpentyl)-14,17-ethano-14H-cyclopenta[a]phenanthrene