Lin, Yih-Shyan; Tungpradit, Rudeewan; Sinchaikul, Supachok; An, Feng-Ming; Liu, Der-Zen; Phutrakul, Suree; Chen, Shui-Tein Journal of Medicinal Chemistry, 2008, vol. 51, # 23 p. 7428 - 7441 doi: 10.1021/jm8006257