[Li, Shun-Xiang; Xu, Bo; Ren, Jie; Wang, Wei; Li, Juan; Zhao, Xiao-Fang] Hunan Univ Chinese Med, Hunan Prov Engn Res Ctr Bioact Subst Discovery TC, Changsha 410208, Hunan, Peoples R China.
[Li, Zhao-Xing] Southwest Univ, Coll Pharmaceut Sci & Chinese Med, Chongqing 400715, Peoples R China.
[Zhao, Jian-Ping; Khan, Ikhlas A.] Univ Mississippi, Natl Ctr Nat Prod Res, University, MS 38677 USA.
[Li, Lin; Zhang, Lan] Capital Med Univ, Minist Educ, Key Lab Neurodegenerat Dis, Beijing 100053, Peoples R China.