P    #regions in PPM
# 2011-06-17 11:43:47 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.774167831908836  3.721024661055709  0.698  3.409  # for region 1
  2.385295693238692  2.3061694790480236  1.182  2.325  # for region 2
  2.179567536342954  1.992541939165011  0.132  2.210  # for region 3