Jaya Pandey. “Synthesis and Biological Activities of Some Substituted 6H-Dibenzo [B,D] Pyran-6-One and 6,6-Dimethyl 6H-Dibenzo [B,D] Pyran Derivatives”. Global Journal of Science Frontier Research 14, no. B4 (March 15, 2014): 13–24. Accessed May 6, 2024. https://journalofscience.org/index.php/GJSFR/article/view/1131.