5-(Dimethylamino)-2,1,3-benzoselenadiazole

    Parameter     ppm  Hz

      D(A)         6.692
      D(B)         7.328
      D(C)         7.605
       J(A,B)          2.65
       J(A,C)          0.33
       J(B,C)          9.82
     
      D(D)         3.070
     
     BROWN,N.M.D. & BLADON,P. SPECTROCHIM.ACTA 24A, 1869 (1968)