P    #regions in PPM
# 2012-05-10 10:50:33 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  182.1249299759975  175.5646837847523  1.272  2.063  # for region 1
  147.76173564090362  126.83142636407372  0.208  1.392  # for region 2
  109.6498291965268  86.53277118928183  0.224  2.623  # for region 3