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Translated from Khimiko-Farmatsevticheskii Zhurnal, No. 9, pp. 43–47, September, 1967.
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Plyashkevich, A.M., Ryabinin, V.A., Zamyshlyaeva, M.D. et al. Process for extracting caffeine from mother liquors during the production of theobromine. Pharm Chem J 1, 533–536 (1967). https://doi.org/10.1007/BF00770340
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DOI: https://doi.org/10.1007/BF00770340