Aouine, Y., S. Boukhssas, A. Alami, H. Faraj, and A. E. Hallaoui. “Identification of the Regioselectivity of the Thermal Huisgen 1,3-Dipolar Cycloaddition Reaction Between an Azide Derivative and a Synthetic Heterocyclic Alkyne, through a Comparative Study of NMR Spectral Data”. Theory and Applications of Chemistry Vol. 4, Mar. 2020, pp. 116-24, https://stm1.bookpi.org/index.php/tac-v4/article/view/1106.