Al-Hamad, abdel karim. “Inversion of Reactivity (umpolung) of Carbonyl Compounds Using Organosulfur Compounds Reagents”. Tishreen University Journal -Basic Sciences Series 40, no. 5 (November 14, 2018). Accessed November 24, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/4632.