P    #regions in PPM
# 2012-09-19 12:53:44 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.1563346811536555  4.083729751156413  1.807  8.149  # for region 1
  4.043261429518605  3.9670857652592026  2.586  11.232  # for region 2
  3.91352475132681  3.8599637373944176  2.268  9.212  # for region 3
  3.84211006608362  3.7599831780539517  1.842  12.188  # for region 4
  3.7468904857593666  3.6314367446162095  1.346  17.007  # for region 5
  3.6088220942891995  3.4778951713433512  1.417  18.105  # for region 6