90 MHz in CDCl3
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1H NMR 89.56 MHz C5 H4 Cl2 O2 0.05 ml : 0.5 ml CDCl3 methylenesuccinyl dichloride 
Assign. Shift(ppm)
A 6.851 B 6.324 C 3.936 J(B,C)=0.9HZ
Hz ppm Int.613.88 6.855 531 613.38 6.849 518 566.75 6.329 376 566.00 6.320 388 353.00 3.942 1000 352.06 3.931 983 347.38 3.879 49
liquid film
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