chemical_shift intensity peak_position_ppm 107.8 107.800000 1.000000 149.5 149.500000 1.000000 23.7 23.700000 1.000000 23.5 23.500000 1.000000 45.2 45.200000 1.000000 77.6 77.600000 1.000000 170.5 170.500000 1.000000 21.5 21.500000 1.000000 56.1 56.100000 1.000000 40.0 40.000000 1.000000 27.5 27.500000 1.000000 23.3 23.300000 1.000000