hassan sulyman, zainab, زینب, ghaniem ahmed, natiq and ناطق (2020) “Synthesis of New Oxazepine and Thaizolidine Compounds derived from Pyrimidine-2(2H)-one”, Journal of Education and Science (JES), 29(2), pp. 186–200. doi: 10.33899/edusj.2019.125908.1004.