P    #regions in PPM
# 2011-07-27 11:11:10 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  142.21391025233794  133.00258273204435  0.445  4.358  # for region 1
  102.8972683974262  72.79195406280805  6.092  18.319  # for region 2