1. Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Gilead & IOCB Research Center, Flemingovo nam. 2, CZ-16610 Prague 6, Czech Republic
2. Institute of Biophsics, v.v.i. Academy of Sciences of the Czech Republic, Kralovopolska
135, 61265 Brno, Czech Republic
3. Department of Organic Chemistry,
Faculty of Science, Charles University in Prague, Hlavova 8, CZ-12843 Prague 2, Czech Republic