P    #regions in PPM
# 2012-02-22 09:52:32 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  218.387079298  217.813  1.000  1000000.000  # for region 1
  217.813  217.81021  400.000  1000000.000  # for region 2
  217.8102  -18.9875  3.000  1000000.000  # for region 3