P    #regions in PPM
# 2012-02-23 13:04:12 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  158.1809544562867  156.60220976508748  0.249  2.832  # for region 1
  156.60220976508748  99.45503241129548  0.430  3.475  # for region 2
  41.006815484921844  40.621774963936666  0.512  1.747  # for region 3
  33.3585105908071  32.27339639530341  0.414  1.996  # for region 4