       F2ppm           F1ppm       Intensity       
     1   7.7070          143.4182      1633752.50
     2   7.5334          131.8065     11440247.13
     3   7.4861          127.8271     10808417.13
     4   7.3394          116.8661      8349078.88
     5   7.2812          124.4980     12607010.50
     6   6.4262          116.8571      6905177.25
