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 7.910500 0.500000 7.92 7.929500 0.500000 3.88 3.880000 1.000000 3.88 3.880000 1.000000 3.88 3.880000 1.000000 7.94 7.930500 0.500000 7.94 7.949500 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 8.307500 0.500000 8.35 8.392500 0.500000 7.7 7.657500 0.500000 7.7 7.742500 0.500000 6.18 6.180000 1.000000 6.18 6.180000 1.000000