P    #regions in PPM
# 2022-06-27 20:29:40 +0800  nmr@CZC345D12M
# low field   high field   mi   maxi
  0.432960127379247  0.309267233842319  0.000  10000.000  # for region 1
  0.309257233842319  -0.262868648765971  0.000  10000.000  # for region 2
