1. Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
2. Department of Chemistry, Opole University, 48 Oleska Street, Opole 45-052, Poland
3. Department of Chemistry, Wroclaw University of Science and Technology, Norwida 4/6 14, Wroclaw 50-373, Poland
4. Department of Chemistry, Wroclaw University, F. Joliot-Curie 14, Wroclaw 50-383, Poland