P    #regions in PPM
# 2011-01-13 09:32:51 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  187.63899081580013  160.97112054574634  2.951  7.450  # for region 1
  150.04693272427852  105.06498287117574  1.451  11.562  # for region 2
  69.07942298869354  19.59927815028049  4.644  12.626  # for region 3