P    #regions in PPM
# 2012-08-24 11:19:14 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  131.55427757530785  117.27124172427442  7.070  19.595  # for region 1
  71.91633840783496  63.89779196514953  2.839  9.742  # for region 2
  47.61011950344474  43.35026670576811  6.458  11.857  # for region 3
  35.08114068674876  30.320128736404286  3.507  7.849  # for region 4
