Sofiane, D.; Adil, A. O.; Tahar, B.; Eddine, A. D. Synthesis and Antimicrobial Activity of 4-S-Methyl-1,3,4-Oxadiazole Derivatives of Some Natural Amino Acids Bearing Secondary Quaternary Ammonium Salt Moieties. Orbital: Electron. J. Chem. 2018, 10, 482-488.