P    #regions in PPM
# 2011-06-27 09:55:15 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.206986038506537  3.6684918255777004  0.723  1.783  # for region 1
  3.281449110035099  3.0122020035706805  0.889  2.488  # for region 2
  2.170804795869373  1.144300202473778  0.166  1.220  # for region 3