P    #regions in PPM
# 2016-10-27 14:24:45 -0500  bmrbmb@tonga.nmrfam.wisc.edu
# low field   high field   mi   maxi
  170.25386880310882  167.72534599910225  0.113  1.725  # for region 1
  167.72534599910225  8.990303303134459  0.045  1.456  # for region 2
  8.990303303134459  8.428409346688555  0.113  1.725  # for region 3
