P    #regions in PPM
# 2011-06-27 17:50:43 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.260271854788074  4.212700580975303  0.049  0.469  # for region 1
  4.210057732430149  4.184686386396672  0.546  1.428  # for region 2
  4.118086603058794  3.919344392463221  0.462  2.849  # for region 3
  3.863774097053787  3.3964039508336223  0.465  4.268  # for region 4