400 MHz in CDCl3
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1H NMR 399.65 MHz C25 H42 O2 0.013 g : 0.5 ml CDCl3 10,12-pentacosadiynoic acid 
Assign. Shift(ppm)
A 2.347 B 2.240 C 1.628 D 1.509 E *1 1.35 F *1 1.31 G 1.26 J 0.880
Hz ppm Int.946.04 2.368 82 938.60 2.349 148 931.03 2.330 94 902.59 2.259 117 895.63 2.242 290 888.67 2.224 131 658.81 1.649 32 651.49 1.631 48 644.04 1.612 38 618.41 1.548 22 611.45 1.530 70 604.37 1.513 105 596.80 1.494 97 589.72 1.476 42 548.34 1.373 76 523.07 1.309 166 502.69 1.258 1000 359.01 0.899 87 352.42 0.882 279 345.34 0.865 111
in CDCl3
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