[1] Yunnan Univ, Key Lab Med Chem Nat Resource, Sch Chem Sci & Technol, Minist Educ, Kunming 650091, Peoples R China
[2] Hong Kong Polytech Univ, Open Lab Chirotechnol, Inst Mol Technol Drug Discovery & Synth, Dept Appl Biol & Chem Technol, Hong Kong, Hong Kong, Peoples R China
[3] Yunnan Nationalities Univ, Sch Chem & Biotechnol, Kunming 650031, Peoples R China