P    #regions in PPM
# 2018-01-11 14:50:31 -0600  bmrbmb@tonga.nmrfam.wisc.edu
# low field   high field   mi   maxi
  157.86521644500746  146.55964246588445  -7.964  20.190  # for region 1
  146.55964246588445  146.55965246588445  -7.964  0.000  # for region 2
  146.55964246588445  4.088573716859438  -7.402  18.153  # for region 3
  4.088573716859438  2.6471301538034786  -7.964  20.190  # for region 4
