1. Institute of Chemical and Engineering Sciences, A* STAR (Agency of Science, Technology and Research), 8 Biomedical Grove, Neuros #07-01, Singapore 138665, Singapore
2. Department
of Organic Chemistry, Semmelweis University, Hőgyes Endre utca 7, H-1092, Budapest, Hungary
3. Department
of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, H 1083, Budapest, Hungary
4. Department
of Pharmacodynamics, Semmelweis University, Nagyvárad tér 4, H-1089, Budapest, Hungary
5. Department
of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore