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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 11, No. 1, pp. 135–141, January, 1977.
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Travushkina, L.F. Details of the formulation of a claim for biologically active chemical compounds with established structures. Pharm Chem J 11, 133–138 (1977). https://doi.org/10.1007/BF00779143
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DOI: https://doi.org/10.1007/BF00779143