chemical_shift intensity peak_position_ppm 4.98 4.980000 1.000000 4.94 4.940000 1.000000 4.34 4.328000 0.500000 4.34 4.352000 0.500000 4.13 4.118000 0.500000 4.13 4.142000 0.500000 3.66 3.648000 0.500000 3.66 3.672000 0.500000 3.61 3.598000 0.500000 3.61 3.622000 0.500000 NA 4.11 4.110000 1.000000 4.11 4.110000 1.000000 NA 5.78 5.780000 1.000000 2.73 2.685000 0.250000 2.73 2.724000 0.250000 2.73 2.736000 0.250000 2.73 2.775000 0.250000 2.24 2.214500 0.500000 2.24 2.265500 0.500000 3.11 3.090500 0.500000 3.11 3.129500 0.500000