1. Department
of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
2. College
of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting
Road, Yangzhou 225002, China
3. Department
of Chemistry, Wroclaw University, F. Joliot-Curie 14, Wroclaw 50-383, Poland