P    #regions in PPM
# 2011-12-19 11:12:16 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.898134107978523  3.4571854778935003  6.023  83.925  # for region 1
  2.2343867558089823  1.8416089844727432  0.852  9.654  # for region 2
  1.6044601414018065  1.1857442153546838  1.065  16.327  # for region 3
  1.1227515539139663  0.7114465292128103  17.036  137.711  # for region 4