1. State Key Laboratory of Applied
Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
2. Department of Chemistry and
Institute of Molecular Functional Materials, UGC-AoE Scheme, The Chinese University of Hong Kong, Hong Kong SAR
3. Department of Chemistry, Bielefeld University, Universitätsstraße
25, 33615 Bielefeld, Germany