Citation

Batts BD Spinner E (1969) The vibrational spectra of 4-pyridone, and its 2,3,5,6-tetradeutero, N-deutero, N-methyl, N-cyano, and 3,5-dihalogeno derivatives. Mixing between C=C and C=O stretching vibrations. Australian Journal of Chemistry 22, 2581-2593.

https://doi.org/10.1071/CH9692581