             F2ppm           F1ppm     Intensity   
     1        3.8887           72.3737     37179964.88
     2        3.8476           69.0545     18927105.00
     3        3.8444           73.6929     20819451.13
     4        3.7423           64.7327      9843934.25
     5        3.7128           66.5201      4887318.88
     6        3.6134           64.7323     10408112.25
     7        3.5021           66.5203      8277404.63
