P    #regions in PPM
# 2011-06-07 14:14:47 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.8231201152488117  3.6478160709398417  0.080  0.262  # for region 1
  3.3121274754545804  3.203961150242663  0.149  0.398  # for region 2
  1.934547317762733  1.8803466386012773  0.038  0.166  # for region 3
  1.802520022369443  1.567650412669801  0.020  0.088  # for region 4