P    #regions in PPM
# 2015-11-27 21:02:21 +0800  nmr@EP-10013327
# low field   high field   mi   maxi
  180.91677472334496  141.32684437676056  0.060  1.346  # for region 1
  132.35005784468618  118.76979103975317  0.077  0.514  # for region 2
  91.83943144353006  87.69629919795729  0.128  0.347  # for region 3
  78.32878888888608  78.10531160246985  0.105  0.472  # for region 4
  77.626186101079  76.82057705332873  14.006  15.357  # for region 5
  76.70857856236846  76.59683991916035  14.409  15.270  # for region 6
  76.5409705975563  76.31749331114007  0.190  0.307  # for region 7
  61.3413746358415  35.2741675907794  0.134  1.568  # for region 8
  34.295928032796944  9.437134559360233  0.149  0.458  # for region 9
