[1] Tianjin Univ, Sch Pharmaceut Sci & Technol, Tianjin 300072, Peoples R China
[2] NIBS, Beijing 102206, Peoples R China
[3] Peking Univ, Coll Chem & Mol Engn, Synthet & Funct Biomol Ctr, Dept Biol Chem,Beijing Natl Lab Mol Sci,Key Lab B, Beijing 100871, Peoples R China
[4] Peking Univ, Peking Tsinghua Ctr Life Sci, Beijing 100871, Peoples R China