              F2ppm           F1ppm   Intensity    
     1        5.4670          105.5701     32372185.00
     2        5.0466           86.4705     24650241.63
     3        5.0210           80.3344     19436365.38
     4        4.7394           71.8639     23100073.63
     5        4.3582           79.3502     32154340.50
