[1] Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Kunming Inst Bot, Yuman Key Lab Nat Med Chem, Kunming 650201, Yunnan, Peoples R China
[4] Chongqing Univ, Chem & Chem Engn Coll, Chongqing 400030, Peoples R China
[5] Kunming Univ Technol & Sci, Fac Life Sci & Technol, Kunming 650504, Yunnan, Peoples R China