Ali, Tarik El-Sayed, Magdy Ahmed Ibrahim, Nasser Mohamed El-Gohary, and Azza Mohamed El‐Kazak. 2013. “3-Formylchromones As Diverse Building Blocks in Heterocycles Synthesis”. European Journal of Chemistry 4 (3):311-28. https://doi.org/10.5155/eurjchem.4.3.311-328.815.