Carbon-13 Nuclear Magnetic Resonance Spectra of 5-(3,4,5-Trimethoxyphenyl)-4-Aryl-3-Hydrazinocarbonylmethylthio-4H-1,2,4-Triazoles

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The natural abundance carbon-13 NMR chemical shifts of some 5-(3,4,5-trimethoxyphenyl)-4-aryl-3-hydrazinocarbonylmethylthio-4H-1,2,4-triazoles are reported. The chemical shifts of the various carbon resonances of these compounds have been assigned on the basis of chemical shift theory, signal intensity, multiplicities observed in SFORD spectra and comparison with the corresponding carbon chemical shift of the model compounds.