Carolacton is a novel MTHFD1 inhibitor,an antibacterial compound,also showed potent activity against COVID-19(SARS-COV-2).

WP1122 is a candidate drug to treat SARS-COV-2(COVID-19) .

S enantiomer of Hydroxychloroquine. Hydroxychloroquine is a potent drug for the COVID-19 trement.

R enantiomer of Hydroxychloroquine. Hydroxychloroquine is a potent drug for the COVID-19 trement.

PX-12(IV-2) is an irreversible inhibitor of Thioredoxin-1(Trx-1) currently in clinical development as an antitumor agent; IC50=7 uM in Hela, MTT assay, 72 h.

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).

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.

Tamoxifen(ICI-46474) is an antagonist of the estrogen receptor in breast tissue via its active metabolite, hydroxytamoxifen,showed potent activity against COVID-19(SARS-COV-2) with EC50 MERS-COV(10.117), SARS-COV(11.696).

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.

Ritonavir is an inhibitor of HIV protease used to treat HIV infection and AIDS,showed potent activity against COVID-19(SARS-COV-2) .

Nafamostat mesylate, a synthetic serine protease inhibitor, is an anticoagulant,showed highly 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) .

Ribavirin is a guanosine analog with antiviral properties against DNA and RNA viruses, including respiratory syncytial virus, hepatitis C, and influenza.

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