parameter in CDCl3
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1H NMR 300 MHz C6 H7 N O in CDCl3 4-methyl-2-pyridone 
Parameter ppm Hz
D(A) 6.30 D(B) 6.05 D(C) 7.22 D(D) 2.17 J(A,B) 1.5 J(A,C) 0.8 J(A,D) 0.8 J(B,C) 6.5 J(B,D) 0.2 J(C,D) 0.2 D(E) 13.17 BELL,C.L. ET AL. J.HETEROCYCL.CHEM. 2, 420 (1965) J(B,D) AND J(C,D) : LESS THAN 0.2HZ.
Hz ppm Int.3950.96 13.170 603 2169.73 7.232 163 2169.02 7.230 161 2163.04 7.210 175 2162.63 7.209 180 1891.54 6.305 117 1890.73 6.302 185 1890.02 6.300 212 1889.31 6.298 192 1818.95 6.063 145 1817.54 6.058 140 1812.47 6.042 140 1811.05 6.037 135 651.37 2.171 1000 650.66 2.169 999
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