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Translated from Khimiko-farmatsevticheskii Zhurnal, Vol. 14, No. 1, pp. 79–80, January, 1980.
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Kirsch, Y.E., Karaputadze, T.M., Shumskii, V.I. et al. Increase in the quality of N-Vinylpyrrolidone. Pharm Chem J 14, 66–67 (1980). https://doi.org/10.1007/BF00765614
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DOI: https://doi.org/10.1007/BF00765614