        F2ppm           F1ppm     Intensity
     1   7.8544          128.4717     14254990.38
     2   7.5539          132.9558      5585663.00
     3   7.4769          129.5887     10966832.88
     4   4.1178           42.4950     23691312.19
     5   3.7510           52.6486     15968525.25
