5-Fluoro-3-thienyl methyl ketone

    Parameter     ppm  Hz

      D(A)         7.42
      D(B)         6.79
      D(X)        33.40
       J(A,B)          1.88
       J(A,X)          3.55
       J(B,X)          1.53
     
      D(C)         2.33
     
     RODMAR,S. ET AL. ACTA CHEM.SCAND. 25, 3309 (1971)
     F-19 REFERENCE:HEXAFLUOROBENZENE.