P    #regions in PPM
# 2012-02-20 08:46:33 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.790367394346767  4.704233540783132  0.538  2.941  # for region 1
  3.926730153042317  3.6076157191173905  2.925  16.000  # for region 2
  3.4723977386407268  2.769264240162075  0.746  5.032  # for region 3
  2.7368119248476757  1.9471389188639587  0.576  9.702  # for region 4