4-Amino-7-methoxy-2-(p-tolyl)-5H-[1]benzopyrano[4,3-d]pyrimidin-5-one

       ppm   Int.  Assign.

      166.09   221      1
      163.17   361      2
      160.45   274      3
      159.32   163      4
      146.90   399      5
      142.93   216      6 *
      141.84   370      7 *
      133.98   466      8
      129.07   962      9
      128.61  1000     10
      124.54   413     11
      118.78   375     12
      116.01   404     13 #
      115.71   418     14 #
       95.13   337     15
       56.14   558     16
       21.02   611     17