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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1878–1880, December, 2007.
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Masevicius, V., Juskenas, R. & Tumkevicius, S. Synthesis of a novel heterocyclic system-pyrazolo[5,4,3-de]pyrimido-[4,5-e][1,4]diazepine. Chem Heterocycl Comp 43, 1593–1594 (2007). https://doi.org/10.1007/s10593-007-0247-y
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DOI: https://doi.org/10.1007/s10593-007-0247-y