chemical_shift intensity peak_position_ppm 21.6 21.600000 1.000000 30.3 30.300000 1.000000 31.4 31.400000 1.000000 59.2 59.200000 1.000000 28.1 28.100000 1.000000 17.8 17.800000 1.000000 30.8 30.800000 1.000000 51.6 51.600000 1.000000 30.8 30.800000 1.000000 17.8 17.800000 1.000000 28.1 28.100000 1.000000 59.2 59.200000 1.000000 31.4 31.400000 1.000000