P    #regions in PPM
# 2011-11-14 10:28:01 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  161.1832845896213  154.8207865137152  1.351  4.189  # for region 1
  139.9749576699343  113.81802113565365  3.694  16.981  # for region 2
  49.72174422282178  31.812490379530523  3.468  9.054  # for region 3