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. 2024 Sep 2;14(38):27935–27947. doi: 10.1039/d4ra04728a

Antiviral potency and selectivity of pyrazole derivatives against SARS-CoV-2, MERS-CoV, and HCoV-229E.

Compounds CC50 (mg mL−1) SARS-CoV-2 MERS-CoV HCoV-229E
IC50 (mg mL−1) SI IC50 (mg mL−1) SI IC50 (mg mL−1) SI
Hydrazide (Hyd) 0.4913 0.054 9.09 0.23 2.1 0.0277 17.7
Hydrazone (HQ) 0.805 0.052 15.5 0.302 2.7 0.134 6.0
Pyrrolone (15A) 65.362 0.158 413 0.0516 1266 0.0447 1462