1. Beijing
National Laboratory for Molecular Sciences (BNLMS), and Key Laboratory
of Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
College of Chemistry, Peking University, Beijing 100871, China
2. Syngenta Jealott’s Hill International Research Centre, Bracknell, Berks RG42 6EY, U.K.
3. State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry (SIOC), Shanghai 200032, China