Ukrainets, I. V., M. Y. Golik, O. L. Shemchuk, and V. M. Kravchenko. “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”. Journal of Organic and Pharmaceutical Chemistry, vol. 11, no. 3(43), Sept. 2013, pp. 16-21, doi:10.24959/ophcj.13.741.