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MassMS2001-00051WA 4-hydroxy-2-pyridone C5H5NO2 (Mass of molecular ion: 111)
Source Temperature: 210 °C Sample Temperature: 85 °C Direct, 70 eV
26.0 2.3 27.0 2.7 28.0 8.3 29.0 3.4 37.0 2.2 38.0 3.7 39.0 3.4 40.0 3.0 41.0 3.0 42.0 5.2 43.0 4.0 51.0 1.0 52.0 1.8 53.0 3.0 54.0 3.2 55.0 8.7 56.0 1.1 64.0 1.0 65.0 1.0 66.0 1.5 67.0 1.0 68.0 3.1 69.0 6.3 70.0 66.5 71.0 2.5 82.0 2.7 83.0 8.2 111.0 100.0 112.0 5.9
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C5 H5 N O2 0.041 g : 0.5 ml DMSO-d6 4-hydroxy-2-pyridone 
Assign. Shift(ppm)
A 11. B 7.228 C 5.856 D 5.582
Hz ppm Int.4354.78 10.897 46 2892.75 7.239 867 2892.38 7.238 871 2888.72 7.229 48 2885.42 7.220 900 2885.06 7.219 913 2880.48 7.208 23 2345.08 5.868 639 2342.70 5.862 667 2337.94 5.850 614 2335.56 5.845 639 2232.25 5.586 971 2231.88 5.585 1000 2229.87 5.580 976 2229.50 5.579 952
in DMSO-d6
KBr disc
nujol mull
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