P    #regions in PPM
# 2011-06-17 10:18:49 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.074978233640457  4.01220041080108  2.455  7.633  # for region 1
  3.659249540170804  3.4751012598419644  3.564  11.634  # for region 2
  3.320249296838168  3.223989968484456  2.219  7.465  # for region 3