1. Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Szent Gellért tér 4, H-1111 Budapest, Hungary
2. Department of Pharmaceutical Chemistry, Semmelweis University, Hőgyes Endre utca 9, H-1092 Budapest, Hungary
3. Centre for Energy Research, Konkoly-Thege Miklós út 29-33, H-1121 Budapest, Hungary