1. Department of Chemistry, University of Navarra, 31080 Pamplona, Spain
2. Institute of Pharmaceutical Science, School of Cancer & Pharmaceutical Sciences, King’s College London, Franklin-Wilkins Building, 150 Stamford Street, SE1 9NH London, U.K.
3. Reading School of Pharmacy, University of Reading, Whiteknights, P.O. Box 224, RG6 6AD Reading, U.K.
4. Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan