Synonyms: (5a)-4,4,8,14-Tetramethyl-18-norcholestane;18-Norcholestane, 4,4,8,14-tetramethyl-, (5a)-; 18-Norlanostane, 8-methyl-;1H-Cyclopenta[a]phenanthrene, 17-(1,5-dimethylhexyl)hexadecahydro-4,4,8,10,14-pentamethyl-,[5S-[5a,8b,9a,10b,13b,17b(S*)]]-; [5S-[5a,8b,9a,10b,13b,14a,17b(S*)]]-17-(1,5-Dimethylhexyl)hexadecahydro-4,4,8,10,14-pentamethyl-1H-cyclopenta[a]phenanthrene