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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 11, No. 6, pp. 95–100, June, 1977.
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Shumov, V.N., Shramova, Z.I., Shemeryankin, B.V. et al. Search for methods of lowering the consumption of chlorosulfonic acid in the production of sulfanilamide drugs. Pharm Chem J 11, 821–825 (1977). https://doi.org/10.1007/BF00779305
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DOI: https://doi.org/10.1007/BF00779305