(2014/09/03)
(2013/08/28)
(2013/11/19)
p. 178 - 190
(2010/04/30)(2009/10/09)
p. 594 - 600
(2007/10/03)17β-benzoylamino-3β-O-(3',3'-dimethylsuccinyl)-28-norlup-20(29)-ene
17β-benzoylamino-3β-hydroxy-28-norlup-20(29)-ene
ethyl 4-(((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)methylene)cyclohexanecarboxylate
tert-pentyl 4-(((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)methyl)-1-methoxycyclohexanecarboxylate
ethyl 4-(((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)methyl)cyclohexanecarboxylate