1. Faculty of Chemistry, Department of Organic Chemistry and Polymers Buketov Karaganda University Karagandy Kazakhstan
2. Faculty of Natural Sciences, Department of Chemistry and Biotechnology Ualikhanov Kokshetau State University Kokshetau Kazakhstan
3. Faculty of Science, Department of Inorganic Chemistry Charles University Praha 2 Czech Republic
4. Faculty of Education Charles University Praha 1 Czech Republic