Phosphoric acid dimethyl(Z)-1-propenyl ester

    Parameter     ppm  Hz

      D(A)         6.336
      D(B)         4.891
      D(C)         1.646
      D(X)         2.27
       J(A,B)          5.86
       J(A,C)         -2.07
       J(A,X)          3.82
       J(B,C)          7.03
       J(B,X)          2.33
       J(C,X)          1.22
     
      D(D)         3.78
      D(X)         2.27
       J(D,X)         11.5
     
     GAYDOU,E.M. & LLINAS,J.R. ORG.MAGN.RESON. 6, 23 (1974)
     P-31 REFERENCE:85% H3PO4 EXT.