P    #regions in PPM
# 2011-06-08 13:52:11 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.852885968246716  3.577679827657665  0.408  1.171  # for region 1
  3.2714645444670305  2.973001546926792  0.591  1.520  # for region 2
  1.9962135549769202  1.7442642713390566  0.195  0.751  # for region 3
  1.6589891291847028  1.4535535594492137  0.047  0.378  # for region 4