“Synthesis and Biological Studies of Schiff Bases Derived from 4-Methyl 7-Ethylcoumarin”. Iraqi Journal of Science 65, no. 11 (November 30, 2024): 6214–6228. Accessed December 26, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10371.