Institution: | 1. People’s Friendship University of Russia, 6 Miklukho-Maklaya St., Moscow, 117198, Russia 2. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Ave., Moscow, 119991, Russia 3. University of Douala, P.O.Box 2415A, Douala, Cameroon 4. Chemistry Institute, Vietnam Academy of Science and Technology, A18, Hoang Quoc Viet, Hanoi, Vietnam
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