chemical_shift intensity peak_position_ppm 4.0 4.000000 1.000000 4.0 4.000000 1.000000 4.0 4.000000 1.000000 7.92 7.918100 0.500000 7.92 7.921900 0.500000 3.88 3.880000 1.000000 3.88 3.880000 1.000000 3.88 3.880000 1.000000 7.94 7.938100 0.500000 7.94 7.941900 0.500000 4.1 4.100000 1.000000 4.1 4.100000 1.000000 4.1 4.100000 1.000000 7.33 7.330000 1.000000 8.25 8.250000 1.000000 8.35 8.341500 0.500000 8.35 8.358500 0.500000 7.7 7.691500 0.500000 7.7 7.708500 0.500000 6.18 6.180000 1.000000 6.18 6.180000 1.000000