P    #regions in PPM
# 2012-07-27 11:57:30 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  182.74398150333667  146.79028093619445  1.063  6.846  # for region 1
  140.59136704530786  128.93740893044108  0.723  11.566  # for region 2
  75.87470602445187  6.19891389088659  6.591  18.837  # for region 3