4-Fluoro-2-thienyl methyl sulfone

    Parameter     ppm  Hz

      D(A)         7.50
      D(B)         7.61
      D(X)        38.21
       J(A,B)          1.87
       J(A,X)          0.87
       J(B,X)         -1.09
     
      D(C)         3.26
     
     RODMAR,S. ET AL. ACTA CHEM.SCAND. 25, 3309 (1971)
     F-19 REFERENCE:HEXAFLUOROBENZENE.