P    #regions in PPM
# 2019-09-04 12:55:15 +0800  nmr@CZC345D12M
# low field   high field   mi   maxi
  3.6303142804452  3.60755654298002  0.000  10000.000  # for region 1
  3.40160029197808  3.3900129494775  0.000  10000.000  # for region 2
  1.2583931928095  1.2130028509184  0.000  10000.000  # for region 3
  0.832510089627572  0.732888895202539  0.000  10000.000  # for region 4
