1,1'-(Naphthalene-1,8-diyl)bis(1H-1,2,3-triazole-4,5-dicarboxylic acid diethyl) ester

    Assign.     Shift(ppm)

      A             8.251
      B             7.709
      C             7.462
      D     *1      4.46
      E     *1      4.45
      F             4.191
      G             1.445
      J             1.082
     
     J(A,B)=8.4HZ. J(B,C)=7.3HZ. J(F,J)=7.0HZ. J(D,G)=J(E,G)=7.2HZ.
  

       ppm   Int.  Assign.

      159.79   147      1
      156.90   107      2
      140.28    64      3
      135.27   182      4
      132.42   760      5
      131.77    71      6
      130.45   202      7
      129.94   491      8
      125.98   895      9
      124.91    64     10
       62.49  1000     11
       61.88   798     12
       14.18   964     13
       13.52   756     14