P    #regions in PPM
# 2011-06-07 17:29:11 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  3.8373813925507845  3.7794586545500177  0.296  0.525  # for region 1
  3.1567892210417776  3.0883350761317807  0.326  0.569  # for region 2