NCIt definition : A synthetic guanine derivative, with potential broad-spectrum antiviral activity.
Upon administration, riamilovir inhibits viral RNA synthesis, thereby preventing viral
transcription and replication. Riamilovir may also bind to severe acute respiratory
syndrome coronavirus-2 (SARS-CoV-2) and human angiotensin-converting enzyme 2 (ACE2).
This may block the entry of SARS-CoV-2 into human host cells.;