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. Iraqi Journal of Market Research and Consumer Protection, [S. l.], v. 15, n. 1, p. 120–131, 2023. Disponível em: https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/334.. Acesso em: 5 jan. 2025.