P    #regions in PPM
# 2011-07-07 10:32:40 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  8.90105371066822  7.955494490605222  2.229  6.917  # for region 1
  6.306097956359993  5.9719529688189334  1.325  4.100  # for region 2
  4.686859177589347  4.583629336952953  0.442  2.039  # for region 3
  4.46020235358335  4.037184419671169  0.305  2.449  # for region 4