Parameter     ppm  Hz

      D(A)         7.75
      D(B)         8.025
      D(C)         9.10
       J(A,B)          8.5
       J(A,C)          0.3
       J(B,C)          1.9
     
      D(D)         8.655
      D(E)         7.695
      D(F)         7.665
      D(G)         8.305
       J(D,E)          8.5
       J(D,F)          1.0
       J(D,G)          0.5
       J(E,F)          7.0
       J(E,G)          1.25
       J(F,G)          8.45
     
      D(J)         8.005
     
      D(K)         2.685
     
     BARTLE,K.D. & SMITH,J.A.S. SPECTROCHIM.ACTA 23A, 1689 (1967)