8-methylcoumarin

    Parameter     ppm  Hz

      D(A)         6.341
      D(B)         7.655
      D(C)         7.273
      D(D)         7.119
      D(E)         7.307
      D(F)         2.378
       J(A,B)          9.51
       J(A,C)          0.30
       J(A,D)          0.10
       J(A,E)          0.32
       J(A,F)          0.10
       J(B,C)         -0.33
       J(B,D)          0.00
       J(B,E)         -0.10
       J(B,F)          0.00
       J(C,D)          7.71
       J(C,E)          1.58
       J(C,F)         -0.60
       J(D,E)          7.50
       J(D,F)          0.35
       J(E,F)         -0.81
     
     ROWBOTHAM,J.B. & SCHAEFER,T. CAN.J.CHEM. 51, 953 (1973)
     THE SIGN OF J(B,E) IS ASSUMED.