2026. Examines both structural optimization and spectroscopic analysis of C₁₆H₁₃N₃O and its brominated and chlorinated derivative compounds through infrared and ultraviolet-visible spectroscopy techniques. Central Asian Journal of Medical and Natural Science. 7, 2 (Mar. 2026), 301–323. DOI:https://doi.org/10.51699/cajmns.v7i2.3137.