Colchicine is a potent therapeutic tool against COVID-19. Colchicine is a tricyclic alkaloid that is extracted from the plant Colchicum autumnale. Colchicine acts as a potent inhibitor of tubulin polymerization.

A potent, noncovalent SARS-CoV papain-like protease (PLpro) inhibitor with IC50 of 2.6 uM.

ATF6 agonist compound A147 is a specific, small molecule agonist of transcription factor ATF6, activates ATF6 and influences differentiation of stem cells.147 has broad antiviral activity against multiple DENV strains and serotypes and that the compound is also effective against multiple ZIKV strains.The compound has potential activity against COVID-19.

Umifenovir is currently being investigated as a potential treatment and prophylactic agent for COVID-19 caused by SARS-CoV2 infections in combination with both currently available and investigational HIV therapies. Arbidol hydrochloride (Umifenovir hydrochloride) is an broad-spectrum antiviral chemical agent which can inhibit cell entry of enveloped viruses by blocking viral fusion with host cell membrane IC50 value: Target: Antiviral; Anti-influenza agent in vitro: Arbidol was found to present potent inhibitory activity against enveloped and non-enveloped RNA viruses, including FLU-A, RSV, HRV 14 and CVB3 when added before, during, or after viral infection, with 50% inhibitory concentration (IC50) ranging from 2.7 to 13.8 microg/ml.

Baricitinib is a selective JAK1 and JAK2 inhibitor with IC50 of 5.9 nM and 5.7 nM, ~70 and ~10-fold selective versus JAK3 and Tyk2, no inhibition to c-Met and Chk2,showed potent activity against COVID-19(SARS-COV-2).

Baricitinib phosphate(INCB 028050; LY 3009104) is a selective JAK1 and JAK2 inhibitor with IC50 of 5.9 nM and 5.7 nM, ~70 and ~10-fold selective versus JAK3 and Tyk2, no inhibition to c-Met and Chk2,showed potent activity against COVID-19(SARS-COV-2).

EIDD-1931 (β-d-N4-Hydroxycytidine, NHC) inhibits both murine hepatitis virus (MHV) (EC50 of 0.17 μM) and Middle East respiratory syndrome CoV (MERS-CoV) (EC50 of 0.56 μM) with minimal cytotoxicity. It also inhibits SARS-CoV-2 and multiple 2 endemic, epidemic and bat coronavirus.

Boceprevir(EBP 520; SCH 503034 ) is useful for Anti HCV.

Carfilzomib is an irreversible proteasome inhibitor with an IC50 of 5 nM in ANBL-6 and RPMI 8226 cells,showed potent activity against COVID-19(SARS-COV-2).

Clevudine (Levovir) is an antiviral drug for the treatment of hepatitis B,showed potent activity against COVID-19(SARS-COV-2) .

Darunavir ethanolate is an HIV protease inhibitor,showed potent activity against COVID-19(SARS-COV-2).

E-64D is an inhibitor of cathepsins B and L; also thought to inhibit calpain,showed a potent activity for COVID-19(SARS-COV-2)with EC50: MERS-COV(1.275),SARS-COV(0.760)

Gemcitabine Hydrochloride (Gemzar) is a DNA synthesis inhibitor with IC50 of 50 nM, 40 nM, 18 nM and 12 nM in PANC1, MIAPaCa2, BxPC3 and Capan2 cells, respectively,showed potent activity against COVID-19(SARS-COV-2) with EC50 MERS-COV(1.216), SARS-COV(4.957).

GRL-0617 is a potent, noncovalent SARS-CoV papain-like protease (PLpro) inhibitor with IC50 of 0.6 uM, Ki of 0.49 uM.

Darunavir(TMC114) is an HIV protease inhibitor,showed potent activity against COVID-19(SARS-COV-2) .

Ibudilast(KC-404;AV-411;MN-166) is a relatively nonselective phosphodiesterase inhibitor which has been marketed for treating asthma,ibudilast (MN-166) is tested to treat acute respiratory distress syndrome (ARDS) associated with Covid-19.

Lopinavir is a potent HIV protease inhibitor with Ki of 1.3 pM,showed potent activity against COVID-19(SARS-COV-2).

MLN-4760 is a potent and selective human ACE2 inhibitor (IC50, 0.44 nM), with excellent selectivity (>5000-fold) versus related enzymes including human testicular ACE (IC50, >100 μM) and bovine carboxypeptidase A (CPDA; IC50, 27 μM).

Nafamostat mesylate, a synthetic serine protease inhibitor, is an anticoagulant,showed highly potent activity against COVID-19(SARS-COV-2).

Nelfinavir(AG-1341) is a potent and orally bioavailable human immunodeficiency virus HIV-1 protease inhibitor (Ki=2 nM) and is widely prescribed in combination with HIV reverse transcriptase inhibitors for the treatment of HIV infection.

Nelfinavir(AG-1341) is a potent and orally bioavailable human immunodeficiency virus HIV-1 protease inhibitor (Ki=2 nM) and is widely prescribed in combination with HIV reverse transcriptase inhibitors for the treatment of HIV infection.

Oseltamivir acid (GS 4071, Ro 64-0802, Oseltamivir carboxylate) is a potent inhibitor of influenza neuraminidase (NA) with Ki of <1 nM for both A and B strains,showed potent activity against COVID-19(SARS-COV-2).