[1] Shanghai Univ, Innovat Drug Res Ctr, Dept Chem, Shanghai 200444, Peoples R China
[2] Shanghai Univ, Lab Microstruct, Shanghai 200444, Peoples R China
[3] Univ Waterloo, Dept Biol, 200 Univ Ave West, Waterloo, ON N2L 3G1, Canada
[4] Emory Univ, Emory NMR Res Ctr, 201 Dowman Dr, Atlanta, GA 30322 USA
[5] Chinese Acad Sci, Shanghai Inst Organ Chem, Key Lab Organofluorine Chem, Shanghai 200032, Peoples R China