1. Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences Institute of Chemistry Chinese Academy of Sciences 100190 Beijing China
2. CAS Research/Education Center for Excellence in Molecular Sciences and International School University of Chinese Academy of Sciences 100049 Beijing China
3. Vorozhtsov Novosibirsk Institute of Organic Chemistry Pr. Lavrentjeva 9 630090 Novosibirsk Russia
4. Prof. G. A. Solan Department of Chemistry University of Leicester University Road LE1 7RH Leicester UK