chemical_shift intensity peak_position_ppm 3.75 3.750000 1.000000 3.75 3.750000 1.000000 3.75 3.750000 1.000000 6.51 6.510000 1.000000 7.25 7.245167 0.500000 7.25 7.254833 0.500000 7.8 7.795167 0.500000 7.8 7.804833 0.500000 7.4 7.400000 1.000000 7.01 7.010000 1.000000 2.9 2.900000 1.000000 2.9 2.900000 1.000000 2.9 2.900000 1.000000 8.25 8.250000 1.000000 6.15 6.150000 1.000000 6.15 6.150000 1.000000 3.63 3.630000 1.000000 3.63 3.630000 1.000000 3.63 3.630000 1.000000 6.6 6.600000 1.000000 NA