D. Khatri, S. Rajora, T. Banu, and G. Talesara, “Synthesis of Bis-1,2-Aryl-Biguanidino-Oxy, 3-Biguanidino Propane as Potential Antimalarial ”, ajc, vol. 11, no. 4, pp. 1438–1444, Mar. 2010.