P    #regions in PPM
# 2011-11-08 11:07:45 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.9502396363760206  3.634220465465939  1.311  20.271  # for region 1
  3.634220465465939  1.12186805673079  5.446  16.792  # for region 2
  1.12186805673079  1.0270623054577654  1.311  20.271  # for region 3