P    #regions in PPM
# 2016-01-21 19:54:35 +0800  nmr@EP-10013327
# low field   high field   mi   maxi
  8.389607135724074  8.088544678700483  2.952  5.313  # for region 1
  7.566703086526258  6.864224020137879  0.363  11.535  # for region 2
  6.181815784217739  3.3317578577277422  0.792  19.670  # for region 3
  2.589137130402884  1.9267997249509834  0.191  2.058  # for region 4
  1.244391489030843  0.6824082359201397  1.503  8.031  # for region 5
