P    #regions in PPM
# 2012-04-20 12:50:33 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.330582141928218  3.949752054070209  0.900  8.421  # for region 1
  3.476434659160969  3.209853597660363  0.804  13.017  # for region 2
  2.540680728995575  1.833424851544987  1.350  12.374  # for region 3