        F2ppm          F1ppm       Intensity
     1   7.6845          114.8682     41032441.88
     2   7.5435          119.8437     23330717.25
     3   6.8957          115.3591     19523027.38
     4   6.4173           93.1447     40032915.63
     5   6.2003           97.9376     43790067.00
