P    #regions in PPM
# 2012-06-07 11:57:16 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  10.235198712930883  9.229174907813745  1.953  6.627  # for region 1
  2.4995744201166543  2.3391739225690613  1.132  8.466  # for region 2
  1.824555659603868  1.6340800687661015  1.585  6.791  # for region 3
  1.1762703153490137  0.8755193824472772  2.988  18.652  # for region 4