P    #regions in PPM
# 2022-12-15 15:50:42 -0600  nmr@B10049653
# low field   high field   mi   maxi
  555.6171  538.10551  0.000  1000.000  # for region 1
  538.1055  -454.9891  0.000  1000.000  # for region 2
