P    #regions in PPM
# 2010-11-10 08:23:53 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.8605240725108687  3.6753012382900008  2.659  12.332  # for region 1
  3.229394415165689  3.088762263257252  5.180  16.458  # for region 2
  2.0374511764295478  1.416611676541083  0.354  8.534  # for region 3