P    #regions in PPM
# 2011-06-16 11:28:18 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.8433978211154143  3.621408464206162  0.430  2.469  # for region 1
  1.97139802031351  1.5373591284461656  0.307  3.538  # for region 2
  1.3798914227988328  0.47118243705325996  6.480  16.000  # for region 3