El-Rahman S. Ferwanah, Abed, and Adel M. Awadallah. 2010. “Synthesis of Novel 4,5-Dihydro-1,2,4,5-Oxatriazine-6-One from the Reaction of Benzonitrile Oxide With 1-Ethoxycarbonyl-1-Methylhydrazine”. Asian Journal of Chemistry 10 (1):180-84. https://asianpubs.org/index.php/ajchem/article/view/23569.