400 MHz in CDCl3
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1H NMR 399.65 MHz C22 H14 O4 0.034 g : 0.5 ml CDCl3 1,1'-(p-phenylene)bis(2-phenylethanedione) Assign. Shift(ppm)
A 8.111 B 7.971 C 7.685 D 7.534
Hz ppm Int.
3241.70 8.112 1000 3190.80 7.984 209 3189.82 7.982 249 3184.45 7.969 95 3182.74 7.964 279 3181.40 7.961 240 3081.18 7.710 37 3080.08 7.707 62 3078.86 7.704 41 3072.51 7.689 149 3066.28 7.673 62 3065.19 7.670 98 3063.96 7.667 59 3018.07 7.552 191 3010.01 7.532 279 3004.15 7.517 66 3002.44 7.513 136
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