chemical_shift intensity peak_position_ppm 29.8 29.800000 1.000000 70.8 70.800000 1.000000 29.8 29.800000 1.000000 144.8 144.800000 1.000000 120.9 120.900000 1.000000 128.7 128.700000 1.000000 134.3 134.300000 1.000000 73.1 73.100000 1.000000 172.2 172.200000 1.000000 51.3 51.300000 1.000000 136.7 136.700000 1.000000 123.9 123.900000 1.000000 34.9 34.900000 1.000000 74.8 74.800000 1.000000 40.5 40.500000 1.000000 23.3 23.300000 1.000000 39.8 39.800000 1.000000 29.5 29.500000 1.000000 50.5 50.500000 1.000000 39.8 39.800000 1.000000