P    #regions in PPM
# 2022-06-08 18:32:20 +0800  nmr@CZC3047DS1
# low field   high field   mi   maxi
  4.56411610436842  4.52639114014443  0.000  10000.000  # for region 1
  1.25341193634206  1.20531260695647  0.000  10000.000  # for region 2
