        F2ppm           F1ppm       Intensity
     1   8.4046          151.0785       665722.50
     2   8.4039          148.7263       979725.75
     3   7.7838          141.4253     16434208.25
     4   7.4434          126.8994     15528750.25
     5   3.5779           44.1486     55614675.75
