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Translated from Khimiko-farmatsevticheskii Zhurnal, Vol. 23, No. 10, pp. 1193–1196, October, 1989.
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Kadushkin, A.V., Golovko, T.V., Granik, V.G. et al. Synthesis and pharmacological study of new piracetam derivatives and their thio analogs. Pharm Chem J 23, 803–806 (1989). https://doi.org/10.1007/BF00764805
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DOI: https://doi.org/10.1007/BF00764805