P    #regions in PPM
# 2012-07-26 10:59:46 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  224.4839  156.3790075393211  3.000  10000.000  # for region 1
  156.3790075393211  132.35919198128136  2.928  9.538  # for region 2
  132.10898556921845  108.58958283530457  3.000  10000.000  # for region 3
  108.58958283530457  61.80098377953969  8.058  18.920  # for region 4
  61.80098377953969  -14.463  3.000  10000.000  # for region 5