Sahai, V.M., D. Joshi, and M. Pandey. “Synthesis of 4-2,7-Dithydroxy Naphthyl Azo-2,3-Dimethyl-1-Phenyl-3-Pyrazoline-5-One ”. Asian Journal of Chemistry 5, no. 3 (March 30, 2010): 610–611. Accessed November 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/24880.