Ratnakar, A., R. Buchi Reddy, G.V.P. Chandra Mouli, and Y. D. Reddy. 2010. “ Synthesis of a New Type of 5-Heteroaryl-3-Mercapto- 4-Amino-1,2,4-Triazoles and Their Derivatives ”. Asian Journal of Chemistry 4 (2):197-200. https://asianpubs.org/index.php/ajchem/article/view/25025.