Synonyms: 9,19-Cyclo-9b-lanostane (7CI,8CI);1H,19H-Cyclopropa[9,10]cyclopenta[a]phenanthrene,17-(1,5-dimethylhexyl)tetradecahydro-4,4,13,14-tetramethyl-, [5S-[5a,8b,9R*,10S*,13b,14a,17b(S*)]-; Cycloartane; [5S-[5a,8b,9R*,10S*,13b,14a,17b(S*)]]-17-(1,5-Dimethylhexyl)tetradecahydro-4,4,13,14-tetramethyl-1H,19H-cyclopropa[9,10]cyclopenta[a]phenanthrene