       F2ppm           F1ppm       Intensity
     1  4.2446           56.2369       189180.00
     2  2.6900           43.1358        39952.00
     3  2.6432           42.8008        46360.00
     4  2.5018           43.1363       175276.00
     5  2.4674           42.8001       120968.00
