“Environmentally Favorable Synthesis and Characterization of Series of 2-Hydrazinyl-3- Substituted [1,8] Naphthyridines ”. Journal of Pharmaceutical Negative Results (January 31, 2023): 1921–1929. Accessed June 7, 2026. https://pnrjournal.com/index.php/home/article/view/7770.