1. Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, Department
of Chemistry, East China Normal University, Shanghai 200062, P.R. China
2. Shanghai
Key Laboratory of Magnetic Resonance, Department of Physics, East China Normal University, Shanghai 200062, P.R. China
3. Department
of Chemistry and Biochemistry, Texas State University, San Marcos, Texas 78666, United States
4. Department
of Chemistry, Beijing Normal University, Beijing 100050, P.R. China