BIN-SELIM, E. A.; ISMAIL, R. M. INVESTIGATION OF BASICITY AND PROTONATED SITES OF SOME COUMARIN DERIVATIVES A DFT STUDY. Electronic Journal of University of Aden for Basic and Applied Sciences, [S. l.], v. 7, n. 1, p. 109–117, 2026. DOI: 10.47372/ejua-ba.2026.1.504. Disponível em: https://www.ejua.net/index.php/EJUA-BA/article/view/504. Acesso em: 2 apr. 2026.