P    #regions in PPM
# 2011-04-25 09:19:09 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  175.49040477995533  151.1617904389264  0.658  4.797  # for region 1
  148.24235671800292  140.78158165342072  10.816  12.101  # for region 2
  107.69466614962138  97.63883888866276  12.665  16.000  # for region 3