P    #regions in PPM
# 2022-06-08 12:12:06 +0800  nmr@CZC3047DS1
# low field   high field   mi   maxi
  4.57036560663786  4.54952450464227  0.000  10000.000  # for region 1
  1.24016182382345  1.23090219467837  0.000  10000.000  # for region 2
