N4-Hydroxycytidine

Antiviral / N4-Hydroxycytidine was originally identified as a mutagen effecting AT to GC base-pair transitions.1 It has also been found to have antiviral properties against a broad range of viruses including hepatitis C2, norovirus3, Ebola virus4, Chikungunya virus5, influenza and respiratory syncytial viruses6, and importantly, coronaviruses.7,8 N4-hydroxycytidine is the active molecule in the antiviral pro-drug clinical candidate EIDD-2801.9