P    #regions in PPM
# 2012-08-28 10:04:09 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  139.29276324268082  68.00764323025005  2.964  18.855  # for region 1
  61.99893579625205  57.35584368816269  -3.721  -1.337  # for region 2