5-Fluoro-2-thienyl methyl sulfone

    Parameter     ppm  Hz

      D(A)         6.80
      D(B)         7.50
      D(C)         3.23
      D(X)        42.65
       J(A,B)          4.30
       J(A,C)          0.0
       J(A,X)          1.47
       J(B,C)          0.13
       J(B,X)          3.75
       J(C,X)          0.32
     
     RODMAR,S. ET AL. ACTA CHEM.SCAND. 25, 3309 (1971)
     F-19 REFERENCE:HEXAFLUOROBENZENE.