SYNTHESIS AND CHARACTERIZATION OF NEW HETEROCYCLIC DERIVATIVES FROM 7- HYDROXY -4- METHYL COUMARIN AND STUDY ANTIOXIDANT ACTIVITY FOR SOME SYNTHETIC COMPOUNDS: SYNTHESIS AND CHARACTERIZATION OF NEW HETEROCYCLIC DERIVATIVES FROM 7- HYDROXY -4- METHYL COUMARIN AND STUDY ANTIOXIDANT ACTIVITY FOR SOME SYNTHETIC COMPOUNDS. (2023). Iraqi Journal of Market Research and Consumer Protection, 15(1), 120-131. https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/334