P    #regions in PPM
# 2016-01-06 20:15:34 +0800  nmr@EP-10013327
# low field   high field   mi   maxi
  175.44681581797968  172.54133714838258  0.064  0.548  # for region 1
  169.859337607216  169.18884022192435  0.088  0.124  # for region 2
  165.38935503860506  113.53755724271807  0.100  0.769  # for region 3
  92.30514004181606  88.28215573006621  0.221  0.427  # for region 4
  77.91738364909953  77.66594712961516  0.051  0.510  # for region 5
  77.38657321907698  76.60432626957007  14.593  15.256  # for region 6
  70.17872632719188  45.146833942970574  0.107  0.726  # for region 7
  40.90034050279017  9.610462522513536  0.142  1.545  # for region 8
