1. Latvian Institute of Organic Synthesis, 21 Aizkraukles Str., LV-1006, Riga, Latvia
2. Rudjer Boskovic Institute, LabOS, Bijenicka 54, HR-10000, Zagreb, Croatia
3. University of Latvia, 19 Raina Blvd., LV-1586, Riga, Latvia
4. Latvian Institute of Organic Synthesis, 21Aizkraukles str., LV-1006, Riga, Latvia