P    #regions in PPM
# 2011-04-20 10:37:21 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  4.36005079662481  3.8795554027110555  0.585  5.375  # for region 1
  1.6372435644468675  0.8186217822234337  5.996  16.271  # for region 2