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Communicated by Dr. K. Venkataraman,f.a.sc.
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Tilak, B.D. A new synthesis of thiophenes and thiapyrans. Proc. Indian Acad. Sci. (Math. Sci.) 33, 85 (1951). https://doi.org/10.1007/BF03172187
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DOI: https://doi.org/10.1007/BF03172187