Silymarin (Silybin B) (Silybin B) is a polyphenolic flavonoid that extracts from the milk thistle or seeds of Silybum marianum. It is used in the prevention and treatment of liver diseases.

EIDD-1931 (Beta-d-N4-hydroxycytidine) is a ribonucleoside analog with antiviral activity that inhibits the replication of severe acute respiratory syndrome coronavirus [SARS-CoV] in Vero 76 cells, Middle East respiratory syndrome coronavirus [MERS-CoV] in Calu-3 2B4 cells, and SARS-CoV-2 in Vero cells (IC50s = 0.1, 0.15, and 0.3 μM, respectively).

Andrographolide (Andrographis)(Andrographis), an irreversible antagonist of NF-κB, has anti-inflammatory and anti-platelet aggregation activities and potential antineoplastic.

Molnupiravir (EIDD-2801) is an isopropyl ester prodrug of the ribonucleoside analog EIDD-1931 with oral bioavailability. Molnupiravir can be used in the study of COVID-19, seasonal and pandemic influenza, and has broad-spectrum antiviral activity against multiple coronaviruses and influenza viruses, such as SARS-CoV-2, MERS-CoV, SARS-CoV.

Ivermectin (MK-933) is an activator of glutamate-gated chloride channels (GluCls) with antiparasitic activity.

Umifenovir hydrochloride (Arbidol HCl) , an broad-spectrum antiviral chemical agent, can inhibit cell invade of enveloped viruses by blocking viral fusion with host cell membrane.

Hydroxychloroquine (2-[[4-[(7-Chloroquinolin-4-yl)amino]pentyl](ethyl)amino]ethanol) (HCQ) is an alkalinizing lysosomatropic drug that acts by inducing apoptosis of renal cancer cells in vitro and inhibiting TLR7/9. It is a medication used to prevent and treat malaria, and it's also being studied as an experimental treatment for COVID-19.

Remdesivir (GS-5734) is a nucleoside analog, a broad-spectrum antiviral compound that exerts its activity by inhibiting the RNA-dependent RNA polymerase of viruses. Remdesivir is active against Ebola, SARS, and MERS viruses, and is potentially therapeutic against COVID-19.