P    #regions in PPM
# 2011-08-08 11:12:11 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  9.501005972687421  5.778162816042554  0.100  0.613  # for region 1
  4.692333562021135  3.6840635404298165  0.037  0.538  # for region 2