Tran, T., T. Duong, and X. T. Luu. “The Novel and Green Synthesis of 6-Amino-4-Phenyl-2-Thioxo-1,2,3,4-Tetrahydropyrimidine-5-Carbonitrile via the Solvent-Free Biginelli Multi-Component Reaction Catalysed by Choline Chloride/2ZnCl2”. Science & Technology Development Journal: Natural Sciences, Vol. 8, no. 4, Feb. 2025, p. In press, doi:https://doi.org/10.32508/stdjns.v8i4.1370.