P    #regions in PPM
# 2012-06-21 12:43:51 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  2.51753592075845  2.3070102688483356  0.064  0.669  # for region 1
  1.7763101879915892  1.6359597533848464  0.078  0.611  # for region 2
  1.1447332322612465  0.8421026076404571  0.206  1.230  # for region 3