(3S,4S,5S,10S,13R,14R,17R)-4,10,13-trimethyl-17-[(2R)-6-methyl-5-methylideneheptan-2-yl]-2,3,4,5,6,7,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol (3S,4S,5S,10S,13R,14R,17R)-17-[(1R)-1,5-dimethyl-4-methylene-hexyl]-4,10,13-trimethyl-2,3,4,5,6,7,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol (3S,4S,5S,10S,13R,14R,17R)-17-[(1R)-1,5-dimethyl-4-methylenehexyl]-4,10,13-trimethyl-2,3,4,5,6,7,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol (3S,4S,5S,10S,13R,14R,17R)-17-[(1R)-4-isopropyl-1-methyl-pent-4-enyl]-4,10,13-trimethyl-2,3,4,5,6,7,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol (3S,4S,5S,10S,13R,14R,17R)-4,10,13-trimethyl-17-[(2R)-6-methyl-5-methylidene-heptan-2-yl]-2,3,4,5,6,7,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol 17757-07-2 (3beta,4alpha,5alpha)-4-Methylergosta-8,24(28)-dien-3-ol 4alpha-Methyl-5alpha-ergosta-8,24(28)-dien-3beta-ol 4alpha-Methylfecosterol C15776