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Translated from Khimiko-farmatsevtiicheskii Zhurnal, No. 4, pp. 478–481, April, 1987.
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Ryakhovskaya, M.I., Popova, E.V., Dolginova, E.M. et al. Synthesis of 17-hydroxy-20-oxopregnanes by reaction of cyanohydrins of 17-oxoandrostenes with methyl-lithium. Pharm Chem J 21, 297–300 (1987). https://doi.org/10.1007/BF00767402
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DOI: https://doi.org/10.1007/BF00767402