Ahmed, Hatem Abdel Moniem. “SYNTHESIS OF SOME NOVEL BENZOPYRANES DERIVATIVES AND EVALUATION THEIR BIOLOGICAL ACTIVITY”. Asian Journal of Pharmaceutical and Clinical Research 8, no. 4 (July 1, 2015): 7–12. Accessed May 16, 2024. https://journals.innovareacademics.in/index.php/ajpcr/article/view/5895.