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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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An effective three-stage method of preparation of 1,3,4,7-tetranitrooctahydro-2H-imidazo[4,5-b]pyrazin-2-one (K56) has been developed, based on the reaction of 4,5-diazidotetrahydro-2H-imidazol-2-one (DAZ) with salts of ethylenedinitramine (EDNA) followed by nitration of 4,7-dinitrooctahydro-2H-imidazo[4,5-b]pyrazin-2-one to the final product.