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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 9, No. 8, pp. 21–25, August, 1975.
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Kolomeitsev, O.P., Azanova, V.V. & Samsonov, G.V. The synthesis of α-aminobenzylpenicillin (ampicillin) by acylation of 6-aminopenicillanic acid in the adsorbed state on anion exchange resin. Pharm Chem J 9, 501–504 (1975). https://doi.org/10.1007/BF00758791
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DOI: https://doi.org/10.1007/BF00758791