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N. G. Chernyshevskii Saratov State University, Saratov 410026, Russia. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 836–837, June, 1999.
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Markova, L.I., Korobochkina, N.G. & Kharchenko, V.G. Unusual conversion of substituted 5-oxo-5,6,7,8-tetrahydro-4H-thiochromenes with phosphorus pentachloride. Chem Heterocycl Compd 35, 746–747 (1999). https://doi.org/10.1007/BF02251637
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DOI: https://doi.org/10.1007/BF02251637