P    #regions in PPM
# 2010-11-01 12:33:35 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.234793206914984  3.9419106835342426  0.204  1.241  # for region 1
  3.579408543940046  3.459374722882365  0.290  1.377  # for region 2
  3.250515874242  3.094471906867015  1.585  18.229  # for region 3