Osarumwense , P. O. (2020) “Synthesis and antibacterial activity of newly synthesized 7-chloro–2–methyl-4h–benzo[d] [1, 3]–oxazin–4–one and 3–amino-7-chloro-2–methyl-quinazolin-4(3h)–one”, GSC Biological and Pharmaceutical Sciences, 11(1), pp. 212–220. doi: 10.30574/gscbps.2020.11.1.0110.