P    #regions in PPM
# 2019-09-04 11:23:11 +0800  nmr@CZC345D12M
# low field   high field   mi   maxi
  4.88090003388377  4.56893312233295  0.000  10000.000  # for region 1
  3.6701884007363  3.46013768924784  0.000  10000.000  # for region 2
  1.41920267781188  1.39235228298031  0.000  10000.000  # for region 3
  1.39235228298031  1.38497888062603  0.000  10000.000  # for region 4
  1.2653838901677  1.19489631570795  0.000  10000.000  # for region 5
  1.12096280934114  -0.224192561868227  0.000  10000.000  # for region 6
