P    #regions in PPM
# 2011-06-17 08:00:34 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.73756924551781  3.6322856047989984  0.129  0.706  # for region 1
  3.151490312183092  2.807563752501641  0.437  2.286  # for region 2
  2.0144269924199274  1.3160455089851444  0.030  1.257  # for region 3