1. School of Chemistry and Environmental Engineering, Yancheng Teachers University, Yancheng City 224007, People's Republic of China
2. Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
3. Department of Chemistry, University of Pavia, Viale Taramelli 12, Pavia 27100, Italy