Retraction Note to: Discovery of ( E )- N -(4-cyanobenzylidene)-6-fluoro-3-hydroxypyrazine-2-carboxamide (cyanorona-20): the first potent and specific anti-COVID-19 drug.
Amgad M RabiePublished in: Chemicke zvesti (2022)
[This retracts the article DOI: 10.1007/s11696-021-01640-9.].