Bioactive Triterpenoids from the Leaves and Twigs of Lithocarpus litseifolius and L corneus

Yuan Bin Cheng, Fan Jin Liu, Chih Hsin Wang, Tsong Long Hwang, Yung Fong Tsai, Chia Hung Yen, Hui Chun Wang, Yen Hsueh Tseng, Ching Te Chien, Yi Ming Arthur Chen, Fang Rong Chang, Yang Chang Wu