P    #regions in PPM
# 2011-06-07 13:44:17 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.215853835543926  4.077555984854126  0.074  0.300  # for region 1
  2.5072061963763876  2.212765611036812  0.115  0.382  # for region 2
  1.2759092031381618  1.1509950154183417  1.188  1.332  # for region 3