SHIRADKAR, M. et al. 2010. Microwave Assisted Synthesis and Bioactivity of s-Triazolo[3,4-b][1,3,4]thiadiazoles, s-Triazolo[3,4- b][1,3,4]thiadiazines and s-Triazolo[3’,4’:2,3]thiadiazino [5,6-b]quinoxaline: Part-III. Asian Journal of Chemistry. 19, 4 (Mar. 2010), 2603–2608.