1. SSI “Institute for Single Crystals,” National Academy of Sciences of Ukraine, 60 Nauky Ave., 61001 Kharkiv, Ukraine
2. Institute for Theoretical Chemistry, University of Vienna, Währingerstrasse 17, A-1090 Vienna, Austria
3. Department of Chemistry and Biochemistry, Texas Tech University, Memorial Circle & Boston, Lubbock, Texas 79409, USA
4. School of Pharmaceutical Sciences and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072 People’s Republic of China