P    #regions in PPM
# 2012-09-21 10:00:32 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.238168209906737  4.107580393915213  4.466  17.474  # for region 1
  3.90576286011013  3.2816548564103787  1.311  13.150  # for region 2