(3S,4S,10S,13R,14R,17R)-4,10,13,14-tetramethyl-17-[(2R)-6-methyl-5-methylideneheptan-2-yl]-1,2,3,4,5,6,7,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-ol (3S,4S,10S,13R,14R,17R)-17-[(1R)-1,5-dimethyl-4-methylene-hexyl]-4,10,13,14-tetramethyl-1,2,3,4,5,6,7,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-ol (3S,4S,10S,13R,14R,17R)-17-[(1R)-1,5-dimethyl-4-methylenehexyl]-4,10,13,14-tetramethyl-1,2,3,4,5,6,7,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-ol (3S,4S,10S,13R,14R,17R)-17-[(1R)-4-isopropyl-1-methyl-pent-4-enyl]-4,10,13,14-tetramethyl-1,2,3,4,5,6,7,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-ol (3S,4S,10S,13R,14R,17R)-4,10,13,14-tetramethyl-17-[(2R)-6-methyl-5-methylidene-heptan-2-yl]-1,2,3,4,5,6,7,11,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-ol NCI60_031822 CHEBI:17791 4alpha,14-dimethyl-5alpha-ergosta-8,24(28)-dien-3beta-ol NSC688223