ISOLATION OF DIHYDROQUERCETIN AND ARABINOGALACTAN FROM LARCH WOOD WITH WATER-ETHANOL SOLUTIONS von Levdansky, Vladimir Aleksandrovich, Levdansky, Aleksandr Vladimirovich, Kuznetsov, Boris Nikolayevich

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MATHEMATICAL OPTIMIZATION OF THE PROCESS OF BIRCH WOOD XYLAN SULFATION BY SULFAMIC ACID IN N, N-DIMETHYLFORMAMIDE MEDIUM von Kazachenko, Aleksandr Sergeyevich, Levdansky, Vladimir Aleksandrovich, Levdansky, Aleksandr Vladimirovich, Kuznetsov, Boris Nikolayevich

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ESTERIFICATION OF BETULIN 3-ACETATE IN MELTS OF THE MALEIC AND LEVULINIC ACIDS von Levdansky, Vladimir Aleksandrovich, Garyntseva, Natal'ya Viktorovna, Levdanskiy, Aleksandr Vladimirovich

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ISOLATION AND STUDY OF PROANTHOCYANIDINS FROM BARK OF PINE PÍNUS SYLVÉSTRIS L von Levdansky, Vladimir Aleksandrovich, Korol'kova, Irina Vladimirovna, Levdanskiy, Aleksandr Vladimirovich, Kuznetsov, Boris Nikolayevich

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