chemical_shift intensity peak_position_ppm 51.4 51.400000 1.000000 170.9 170.900000 1.000000 43.5 43.500000 1.000000 74.2 74.200000 1.000000 43.5 43.500000 1.000000 170.9 170.900000 1.000000 51.4 51.400000 1.000000 97.9 97.900000 1.000000 75.8 75.800000 1.000000 61.9 61.900000 1.000000 70.4 70.400000 1.000000 73.0 73.000000 1.000000 70.8 70.800000 1.000000 171.2 171.200000 1.000000 52.3 52.300000 1.000000