1. Behr, L.C., Fusco, R., Jarboe, C.H., 1967. Pyrazoles and reduced and condensed pyrazoles. In: Wiley, R.H. (Ed.), Chem. Het. Comp., Vol. 22. Wiley, New York, p 888.
2. Boyd, D.R., Jennings, W.B., Waring, L.C., 1986. Dynamic stereochemistry of imines and derivatives. 19. Mutarotation and E-Z isomerization of chiral imines in [2H4]methanol solution. J. Org. Chem. 51, 992–995. DOI 10.1021/jo00357a007, URL https://pubs.acs.org/doi/abs/10.1021/jo00357a007.
3. E-Z isomerism of anilinomethylenemalonic acid derivatives;Bünz;Magn. Reson. Chem.,1993
4. Burlov, A.S., Mashchenko, S.A., Vlasenko, V.G., Lysenko, K.A., Antsyshkina, A.S., Sadikov, G.G., Sergienko, V.S., Koshchienko, Yu.V., Zubavichus, Ya.V., Uraev, A.I., Garnovskii, D.A., Korshunova, E.V., Levchenkov, S.I., 2015. Metal complexes of azomethine compounds bearing an azo group in the amine fragment: Syntheses, structures, and properties. Russ. J. Coord. Chem. 41, 376–386. doi: 10.1134/S1070328415060019, URL https://link.springer.com/article/10.1134/S1070328415060019.
5. Diazotization of heterocyclic primary amines;Butler;Chem. Rev.,1975