Alrahawi, Kh.M., G.P. Petyunin, and I.L. Dikiy. 2008. “Synthesis and Biological Activity of Arensulphonyl-Oxamoyl- and Arensulphohydrazidoxa Lylamino Acids and Their Salts With 2-Ethoxy-6,9-Diaminoacridine”. Farmatsevtychnyi Zhurnal, no. 5 (October), 62-67. https://pharmj.org.ua/index.php/journal/article/view/1098.