Table 1.

Antiviral nucleoside analogs and the antiviral mechanisms/targets.

Antiviral Drugs	Mechanisms/Targets	Virus	IC50/EC50 Value	Reference
Remdesivir	RdRp and nucleoside components	SARS-CoV, MERS-CoV, MHV, PEDV, SARS-CoV-2	EC50 = 0.74 μmol/L	[28,29,31]
Molnupiravir	Genomic RNA of the virus	SARS-CoV-2	-	[33,34,35]