P    #regions in PPM
# 2012-06-08 10:03:16 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  7.435828156689565  6.954686334786123  0.724  4.344  # for region 1
  4.548977225268911  1.8370869563585985  0.453  9.141  # for region 2
  1.8370869563585985  0.9622836438068849  4.090  18.888  # for region 3