Ibrahim MA, Hassanin HM, Gabr YA-A, Alnamer YA-S. Novel heterocyclic derivatives of pyrano[3,2-c]quinolinone from 3-(1-ethy1-4-hydroxy-2-oxo-2(1H)-quinolin-3-yl)-3-oxopropanoic acid. Eur. J. Chem. [Internet]. 2010 Sep. 29 [cited 2024 Nov. 22];1(3):195-9. Available from: https://eurjchem.com/index.php/eurjchem/article/view/91