P    #regions in PPM
# 2011-08-16 11:44:22 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.3996798097542897  2.7404263105243705  0.915  6.475  # for region 1
  1.6672663123144724  1.4823717839478723  0.214  2.675  # for region 2
  1.3633961743902339  1.2315583367723104  5.670  16.242  # for region 3
  0.913218192280251  0.8231825958582545  2.744  15.803  # for region 4