1. Department of Chemistry of Alkaloids, Acad. S.Yu. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
2. Department of Physical Methods of Research, Acad. S.Yu. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
3. Department of Organic Chemistry, National University of Uzbekistan named after Mirzo Ulugbek, Tashkent, Uzbekistan
4. Department of Medicinal and Technical Plants, Acad. S.Yu. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan