Hajib, S., A. Ksakas, Y. Aouine, A. Alami, and H. Faraj. 2020. “Synthesis and Structural Determination of Two New Tri-Heterocyclic Regioisomeric Compounds, Precursors of Bi-Triazolic α-Amino Acids, via a Comparative Study Using 1D NMR Spectroscopy”. European Journal of Advanced Chemistry Research 1 (6). https://doi.org/10.24018/ejchem.2020.1.6.36.