  F2ppm F1ppm  Intensity
1  4.1272  64.0393  3953358.00
2  3.4072  48.9572  3263818.00
3  3.3235  48.9572  3240390.00
4  2.3440  31.7204  2221742.00
5  2.0678  31.8401  1339960.00
6  1.9924  26.4536  3163508.00
