P    #regions in PPM
# 2019-10-21 15:24:53 -0500  bmrbmb@tonga.nmrfam.wisc.edu
# low field   high field   mi   maxi
  141.56382410839475  139.3117079062681  6.590  20.135  # for region 1
  139.3117079062681  95.55560565395295  6.773  20.195  # for region 2
  95.55560565395295  92.01648567045659  6.590  20.135  # for region 3
