P    #regions in PPM
# 2011-06-07 14:23:22 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.8307748806941486  3.687162570432729  0.761  2.207  # for region 1
  3.333141526532485  3.1260726140625312  1.342  3.817  # for region 2
  1.9905334166466544  1.8168627158654027  0.343  1.238  # for region 3
  1.7834645041767003  1.5663761282001358  0.149  0.626  # for region 4