P    #regions in PPM
# 2011-06-27 17:35:58 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  5.2763883820539625  5.123367451532526  4.309  7.942  # for region 1
  4.695475590259622  4.556623264416096  1.531  13.783  # for region 2
  3.960495570983013  3.1392832438513065  2.244  16.000  # for region 3