Ukrainets, I. V.; Golik, M. Y.; Shemchuk, O. L.; Kravchenko, V. M. Synthesis and Diuretic Properties of N-Aryl- 6-Hydroxy-2-Methyl-4-Oxo-2,4-Dihydro-1h-Pyrrolo [3,2,1-ij]quinoline-5-Carboxamides With Electron-Acceptor Substituents in the Anilide Fragment. J. Org. Pharm. Chem. 2013, 11, 16-21.