P    #regions in PPM
# 2019-04-15 13:36:40 -0500  bmrbmb@tonga.nmrfam.wisc.edu
# low field   high field   mi   maxi
  7.3708044797400385  2.3630392281119867  0.053  16.214  # for region 1
  2.3630392281119867  2.3057886335346294  0.088  17.542  # for region 2
