P    #regions in PPM
# 2011-06-08 14:25:51 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  7.473057085603402  7.26647573812732  0.163  1.999  # for region 1
  4.06595192590818  3.885869743490689  0.602  0.920  # for region 2
  3.378168168964267  3.2024253162435827  0.349  0.827  # for region 3
  3.1677106786691267  3.015834139280881  0.219  0.728  # for region 4