P    #regions in PPM
# 2019-09-04 14:35:03 +0800  nmr@CZC345D12M
# low field   high field   mi   maxi
  4.7084030922194  4.67882971020311  0.000  10000.000  # for region 1
  1.96450183146326  1.92041049164922  0.000  10000.000  # for region 2
