Elwahy, A. H. M., A. A. Abbas, and A. A. M. Ahmed,
"1,ω-Bis(4-amino-1,2,4-triazole-5(1H)-thion-3-ylsulfanyl)alkanes: Versatile precursors for novel bis(S-triazolo[3,4-b][1,3,4]thiadiazines) as well as novel bis(macrocyclic schiff bases)",
Journal of Heterocyclic Chemistry, vol. 42, issue 2, pp. 233–241, 2005.