       F2ppm           F1ppm      Intensity 
     1  4.3701           77.5022      3272083.00
     2  4.1821           72.3718      2650843.25
     3  4.0380           78.8612      4792883.50
     4  3.6298           72.3718      2172818.00
     5  3.6015           65.7333      4212715.25
     6  3.5719           65.7333      4046199.25
