P    #regions in PPM
# 2011-06-16 13:09:37 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.8076493298828393  3.7251662461624555  1.722  6.070  # for region 1
  3.2149220538456618  3.0921565338897414  1.430  4.611  # for region 2
  2.9099264652051726  2.808261268991676  1.868  4.144  # for region 3
  2.773733466504073  2.679741115287822  1.605  4.260  # for region 4