chemical_shift intensity peak_position_ppm 166.1 166.100000 1.000000 70.9 70.900000 1.000000 28.7 28.700000 1.000000 47.8 47.800000 1.000000 127.5 127.500000 1.000000 159.5 159.500000 1.000000 58.6 58.600000 1.000000 74.0 74.000000 1.000000 78.5 78.500000 1.000000