chemical_shift intensity peak_position_ppm 1.98 1.980000 1.000000 1.98 1.980000 1.000000 1.98 1.980000 1.000000 5.88 5.880000 1.000000 2.08 2.080000 1.000000 2.08 2.080000 1.000000 2.08 2.080000 1.000000 4.38 4.371643 0.500000 4.38 4.388357 0.500000 4.41 4.401643 0.500000 4.41 4.418357 0.500000 4.24 4.234429 0.500000 4.24 4.245571 0.500000 NA 3.66 3.647286 0.250000 3.66 3.655571 0.250000 3.66 3.664429 0.250000 3.66 3.672714 0.250000 3.89 3.880214 0.250000 3.89 3.882643 0.250000 3.89 3.897357 0.250000 3.89 3.899786 0.250000 NA NA NA NA NA NA NA 2.77 2.756143 0.250000 2.77 2.775286 0.250000 2.77 2.764714 0.250000 2.77 2.783857 0.250000 2.77 2.764143 0.250000 2.77 2.772143 0.250000 2.77 2.767857 0.250000 2.77 2.775857 0.250000 2.4 2.391143 0.250000 2.4 2.400000 0.500000 2.4 2.408857 0.250000 2.4 2.391143 0.250000 2.4 2.400000 0.500000 2.4 2.408857 0.250000