P    #regions in PPM
# 2012-02-17 11:01:33 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  12.7608117884  3.9110971414681823  1.000  1000000.000  # for region 1
  3.9110971414681823  3.582893185540782  1.539  10.430  # for region 2
  3.582893185540782  -3.26128166599  1.000  1000000.000  # for region 3