P    #regions in PPM
# 2012-06-07 09:28:30 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  67.23909265259607  54.73125692804325  2.500  6.314  # for region 1
  42.602446528476875  37.37189704366388  0.369  2.436  # for region 2
  28.50270443898097  21.98346884921405  1.298  6.715  # for region 3