3-Ethyl-4(3H)-pyrimidinone

    Parameter     ppm  Hz

      D(A)         8.52
      D(B)         7.93
      D(C)         6.40
       J(A,B)          0.3
       J(A,C)          0.85
       J(B,C)          6.1
     
      D(D)         3.95
      D(E)         1.25
       J(D,E)          7.0
     
     BAUER,L. ET AL. J.HETEROCYCL.CHEM. 2, 447 (1965)