P    #regions in PPM
# 2012-02-15 12:13:09 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  180.4473366382463  163.23704152534998  0.218  0.738  # for region 1
  74.05642139488721  61.01831903663241  0.154  0.509  # for region 2
  52.10113410162318  40.72880533832472  0.096  0.826  # for region 3
  36.56335933781424  10.645028667971234  0.210  1.037  # for region 4