behnate , 3-Acetyl pomolic acid[8],2- α -Hydroxy Ursolic acid,Euscaphic acid,Ormentic acid[9]等;lupeol 型三 萜及其苷类化合物主要有: 3-(E)-Caffeoylbetulin , 3-(Z)-Coumaroylbetulin , 3-(E)-Coumaroylbetulin , 3-(E)-Feruloylbetulin,betulinic acid,2-α-Hydroxybe-tulinic acid[6...