P    #regions in PPM
# 2012-07-29 11:41:06 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  2.980132448820643  2.367012930048316  1.622  9.172  # for region 1
  1.9508348324574034  1.7353140319192522  0.531  4.276  # for region 2
  1.0181499887491972  0.7431751742694871  2.085  18.225  # for region 3