P    #regions in PPM
# 2019-09-04 11:26:29 +0800  nmr@CZC345D12M
# low field   high field   mi   maxi
  4.80087405749271  4.70832492256444  0.000  10000.000  # for region 1
  1.26202500733141  1.18526374064274  0.000  10000.000  # for region 2
