H3N2

Ketotifen fumarate (HC 20511 fumarate) is a cycloheptathiophene blocker of histamine H1 receptors and release of inflammatory mediators.

Oseltamivir phosphate (GS 4104) is a neuraminidase (NA) inhibitor with oral activity. Oseltamivir phosphate has antiviral activity and is effective against a wide range of influenza viruses, inhibiting mature influenza viruses from breaking away from host cells.

3M-011, a potent dual toll-like receptor TLR7 8 agonist and cytokine inducer, serves as a powerful adjuvant to radiotherapy, eliciting significant local and systemic immune responses. Additionally, it effectively inhibits H3N2 influenza viral replication in the nasal cavity and exhibits strong antitumor activity[1][2][3].

DPQ is an antiviral compound. DPQ has also been shown to bind to a widened RNA major groove at the internal loop. DPQ acts against the H1N1 and H3N2 strains of influenza A as well as influenza B.

ATV03 is an antiviral agent exhibiting potent activity against both type A and type B influenza viruses. It inhibits the type A (H3N2) and type B influenza viruses with EC50 values of 0.78 nM and 2.02 nM, respectively. The mechanism of action of ATV03 involves the inhibition of the polymerase acidic protein (PA) and RNA-dependent RNA polymerase (RdRp), as well as the disruption of nucleoprotein, thereby exerting its antiviral effects against influenza.

Neuraminidase-IN-23 (33c) is a potent inhibitor of the neuraminidase enzyme (NA) targeted against influenza viruses. It exhibits inhibitory concentration (IC50) values of 0.049 μM for H1N1, 0.26 μM for H3N2, 0.17 μM for H5N1, 0.013 μM for H5N8, and 0.74 μM for H5N1-H274Y.

ATV2301 is an orally potent anti-influenza compound with an EC50 of 1.88 nM for H1N1 and 4.77 nM for H3N2. Its anti-influenza activity results from its impact on polymerase acidic protein (PA), nucleoprotein (NP), and RNA-dependent RNA polymerase (RdRp).

Methyl brevifolincarboxylate (Brevifolincarboxylic acid methyl ester) is a potent influenza virus PB2 cap-binding inhibitor, exhibiting inhibitory activity against influenza virus A Puerto Rico 8 34 (H1N1) and A Aichi 2 68 (H3N2) with IC50s of 27.16 μM and 33.41 μM, respectively, and possessing anti-oxidant activity[1][2].

Pyrindolol is a bacterial metabolite that has been found inS. alboverticillatus.1It inhibits neutral β-galactosidase by 50% under acidic, but not neutral, conditions when used at a concentration of 2 μg/ml. It is selective for β-galactosidase isolated from bovine liver over β-galactosidases isolated from human, bovine, pig, and rat tissues and sialidases isolated fromC. perfringens,Streptomyces, and the H3N2 strain of influenza virus (IC50s = >250 μg/ml for all).1,2 1.Aoyagi, T., Kumagai, M., Hazato, T., et al.Pyridindolol, a new β-galactosidase inhibitor produced by actinomycetesJ. Antibiot. (Tokyo)28(7)555-557(1975) 2.Kumagai, M., Aoyagi, T., and Umezawa, H.Inhibitory activity of pyridindolol on β-galactosidaseJ. Antibiot. (Tokyo)29(7)696-703(1976)

Aureonitol is a fungal metabolite that has been found inChaetomiumand has antiviral activity.1It inhibits replication of the influenza A subtype H3N2 with an EC50value of 30 nM at a multiplicity of infection (MOI) of 0.01. It also inhibits replication of laboratory-adapted and clinical isolates of H3N2 (EC50s = 100 and 312 nM, respectively), as well as clinical isolates of the influenza A subtype H1N1 (EC50= 417 nM). Aureonitol inhibits hemagglutination activity of H3N2 and H1N1. 1.Sacramento, C.Q., Marttorelli, A., Fintelman-Rodrigues, N., et al.Aureonitol, a fungi-derived tetrahydrofuran, inhibits influenza replication by targeting its surface glycoprotein hemagglutininPLoS One10(10)e0139236(2015)

Influenza A virus-IN-1, a dihydropyrrolidones derivative, is a highly effective inhibitor of various subtypes of influenza A virus (IAV) with IC 50 values ranging from 3.11 μM to 7.13 μM. It effectively suppresses IAV replication and enhances the expression of key antiviral cytokines, such as IFN-β, and the antiviral protein MxA.

Oseltamivir (GS 4104) is an orally active and highly potent viral neuraminidase (NA) with antiviral activity, inhibits A H3N2, A H1N2, A H1N1 and influenza B viruses, and can be used in studies of influenza and pneumonia.

1. Dendrobine has a slight but demonstrable analgesic and antipyretic action. 2. Dendrobine produces moderate hyperglycemia, diminishes cardiac activity in large doses, lowers the blood pressure. 3. Dendrobine on the electrical activity and on amino acid-induced depolarizations of primary afferent terminals were tested on the frog isolated spinal cord.

Anti-Influenza agent 3 (compound 11h) is a potent anti-influenza agent with low cytotoxicity for MDCK epithelial cells, inhibiting the M2 WT and S31N ion channel conductivity. It has an EC50 value of 3.29 μM for A HK 68 (H3N2, M2-WT) and 2.45 μM for A WSN 33 (H1N1, M2-S31N) strain [1].

HSP90-IN-14 (compound 4) is an effective Hsp90 inhibitor (Kd=0.26 μM). In MDCK cells, HSP90-IN-14 demonstrated anti-influenza virus activity with EC50 values of 2.6 μM against influenza A H3N2, 3.9 μM against A H1N1, and 17 μM against the B virus.

Influenza virus-IN-5 (Compound 5f) is an inhibitor of influenza virus hemagglutinin (HA) with an EC50 of 1 nM against the A H3N2 virus.

RSV IAV-IN-3 (compound 14'i) is a dual inhibitor of respiratory syncytial virus (RSV) with an EC50 of 2.92 μM and influenza A virus (IAV) with an EC50 of 1.90 μM. RSV IAV-IN-3 significantly inhibits luciferase activity in a dose-dependent manner (EC50: 3.89 μM) and suppresses IAV infection, RdRp activity, as well as post-entry replication of IAV and RSV.

Cap-dependent endonuclease-IN-17, a cap-dependent endonuclease (CEN) inhibitor, exhibits antiviral activity against influenza virus A Hanfang 359 95 (H3N2) with an IC50 of 1.29 μM.

LUN15104 is a novel hemagglutinin (HA) protein inhibitor, inhibiting entry and replication of diverse influenza viruses via the HA protein, showing potent antiviral activity against diverse H1N1, H5N1, and H3N2 influenza viruses encoding HA proteins from both groups 1 and 2. This product has no formal name. For the convenience of scientific communication, we named it by combining its InChi Key (3 letters from the first letter of each section) with the last 5 digit of its CAS#) according to MedKoo Chemical Nomenclature (https: www.medkoo.com page naming).

BCX-1898, a selective cyclopentane-derived, orally active influenza virus neuraminidase inhibitor, exhibits antiviral activity by inhibiting the replication of influenza A (H1N1, H3N2, H5N1) and influenza B viruses in MDCK cells, with EC50 values ranging from <0.01 to 21 μM. It demonstrates protective effects in the mouse influenza model.

Neuraminidase-IN-16 (Compound 43b) serves as a potent inhibitor of neuraminidase, demonstrating IC50 values of 0.031, 0.15, 0.25, 0.60, 0.63, and 10.08 μM against neuraminidase from H5N1, H5N8, H1N1, H3N2, H5N1–H274Y, and H1N1–H274Y strains, respectively [1].

Laninamivir octanoate (CS-8958) is a long acting influenza neuraminidase (NA) inhibitor which shows superior anti-influenza virus activity.

CR-8020 is a human-derived IgG1 antibody that targets the influenza A virus H3N2. It binds to the hemagglutinin (HA) of H3N2 strains, with an IC50 of 3.36 nM for A/Brisbane/10/2007 and 0.06 nM for A/Wyoming/3/2003. For isotype control, refer to HumanIgG1kappa, Isotype Control.

Oseltamivir-d3 is a deuterated compound of Oseltamivir. Oseltamivir has a CAS number of 196618-13-0. Oseltamivir (GS 4104) is an orally active and highly potent viral neuraminidase (NA) with antiviral activity, inhibits A H3N2, A H1N2, A H1N1 and influenza B viruses, and can be used in studies of influenza and pneumonia.