P    #regions in PPM
# 2011-03-07 10:12:24 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.9082126200140452  3.743408473386947  1.165  17.981  # for region 1
  3.7244218205497237  3.589236852348694  1.041  10.281  # for region 2