P    #regions in PPM
# 2011-04-14 11:21:17 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  86.15161916615327  85.39471758577916  13.039  17.326  # for region 1
  78.98808635189829  67.60753044698755  2.813  21.300  # for region 2