Osarodion, O. P. Synthesis and Antibacterial Activity of 6-Bromo-2-(o-Aminophenyl)-3-Amino-Quinazolin-4(3H)-One from 6-bromo,2-(o-Aminophenyl)-3,1-Benzoxazin-4(3H)-One. EJAS 2023, 11, 11-20.