Spectroscopic and Nonlinear Optical Properties of Biologically Active 3‐(2/3/4‐Pyridyl)-4‐amino‐1,2,4‐triazole‐5‐thiones by Density Functional Theory Method. EPSTEM [Internet]. 2019 Nov. 24 [cited 2026 Jan. 20];7:371-9. Available from: https://www.epstem.net/index.php/epstem/article/view/271