P    #regions in PPM
# 2011-06-30 07:56:36 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  5.534976323441541  5.1398684331019435  2.400  12.631  # for region 1
  4.734362966700779  4.547206597592549  2.633  7.199  # for region 2
  4.159030424627331  3.153931405342393  1.433  14.564  # for region 3