A. M. Awadallah, A.-R. S. Ferwanah, M. R. El-Haddad, and W. Schrader, “Synthesis of Substituted 1,2,4-Triazoles from Reaction of Nitrilimines with Substituted Hydrazones”, ajc, vol. 16, no. 3, pp. 1691–1698, Jun. 2016.