P    #regions in PPM
# 2011-04-12 09:24:04 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  74.07992072088089  72.32590114036428  6.084  18.147  # for region 1
  66.40608505612074  64.9946474249238  5.291  17.459  # for region 2