P    #regions in PPM
# 2015-09-17 18:39:36 +0800  nmr@EP-10013327
# low field   high field   mi   maxi
  8.672327060869243  3.1636295145517903  0.308  4.053  # for region 1
  2.6769172815438225  2.4556944483583827  0.031  0.490  # for region 2
  2.4556844483583826  1.0619175992901113  0.184  15.664  # for region 3
