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Complete 1H and 13C NMR spectral assignment of cis- and trans-3-{; ; ; 2-[2-(4-methylphenyl)ethenyl]phenyl}; ; ; sydnones

1H and 13C NMR spectra of cis- and trans-3-{; ; ; 2-[2-(4-methylphenyl)ethenyl]phenyl}; ; ; sydnones, the first stilbene-substituted mezoionic oxadiazolium rings, were fully assigned combining the information in various solvents, such as deuterated benzene, acetone and chloroform, using 2D NMR techniques.

NMR; 1H NMR; 13C NMR; 2D NMR; sydnones; stilbenes; inner oxadiazolium salt; isomers

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