1. State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, People's Republic of China, College of Animal Science and Veterinary Medicine, Jilin University, 5333 Xi'an Road Changchun 130062, People's Republic of China, and Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, Sanda, Hyogo 669-1337, Japan