P    #regions in PPM
# 2011-07-06 11:28:12 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.9747143016427615  3.7797583449055288  2.434  9.418  # for region 1
  3.202847860683106  1.9057939444313141  0.838  8.460  # for region 2