Abdelhamid, A. O., Fahmi, A. A., & Halim, K. N. M. (2011). Reactions with hydrazonoyl halides 65: Synthesis of some new 1,3,4-thiadiazoles and triazolino[4,3-a]pyrimidines containing pyrazole moiety. European Journal of Chemistry, 2(3), 317–323. https://doi.org/10.5155/eurjchem.2.3.317-323.420