1. Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences; Flemingovo nám. 2 CZ-166 10 Prague 6 Czech Republic
2. Department of Analytical Chemistry, Faculty of Science; Charles University in Prague; Hlavova 2030/8 CZ-128 43 Prague 2 Czech Republic
3. Czech University of Life Sciences; Faculty of Agrobiology Natural and Food Resources, Department of Chemistry; Kamýcká 129 CZ-165 00 Prague 6 Czech Republic