1. Department
of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
2. Departments
of Chemistry and Biology, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801, United States
3. Department
of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, Kansas 66045, United States
4. Laboratoire
de Cancérologie et de Toxicologie Expérimentale, Faculté
de Pharmacie, Université Libre de Bruxelles (ULB), Campus
de la Plaine, CP205/1, Boulevard du Triomphe, B-1050 Brussels, Belgium
5. Service
de Neurochirurgie, Hôpital Erasme, ULB, 808 Route de Lennik, 1070 Brussels, Belgium
6. Department
of Chemistry and Biochemistry, Texas State University, San Marcos, Texas 78666, United States
7. Cancer
Therapy and Research Center, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San
Antonio, Texas 78229, United States
8. Department
of Biomedical Sciences, Texas Tech University Health Sciences Center, Center of Excellence in Cancer Research, Paul Foster School of Medicine, 5001 El Paso Drive, El Paso, Texas 79912, United States