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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 846–847, June, 1990.
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Andreichikov, Y.S., Ionov, Y.V., Tarasova, O.P. et al. Recyclization of 5-phenyl-2,3-dihydrofuran-2,3-dione to give 1,5-diphenylpyrazole-3-carboxylic acid. Chem Heterocycl Compd 26, 707 (1990). https://doi.org/10.1007/BF00756432
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DOI: https://doi.org/10.1007/BF00756432