P    #regions in PPM
# 2012-08-23 10:37:51 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.094319350246298  2.92154009718686  2.123  17.672  # for region 1
  2.286969022314015  2.089058241536841  3.159  17.376  # for region 2
  1.7843384679592866  1.5016087811347518  0.469  9.428  # for region 3