5-Bromo-2,3-difluorothiophene

    Parameter     ppm  Hz

      D(A)         6.610
      D(X)        12.014
      D(Y)        16.756
       J(A,X)          3.56
       J(A,Y)          0.00
       J(X,Y)          3.46
     
     CHRISTIANSEN,H. ET AL. ARK.KEMI. 30, 561 (1968)
     F-19 REFERENCE:HEXAFLUOROBENZENE.