Cycloaspeptide A, isolated from the endophytic fungus Penicillium janczewskii, has antiparasitic activity.

Neuraminidase-IN-4 (Compound 4b) is a potent inhibitor of neuraminidase with an EC50 of 1.59 μM. Neuraminidase (NA) is an important target for the treatment of influenza. Neuraminidase-IN-4 exhibits excellent antiviral activity against A/chicken/Hubei/327/2004 (H5N1-DW).

Herquline A (Herqueline A) is a fungal piperazine alkaloid. Herquline A is a fungal metabolite that inhibits platelet aggregation and replication of the influenza virus.

Cap-dependent endonuclease-IN-23 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-23 inhibits the replication of influenza virus. ap-dependent endonuclease-IN-23 has the potential for the research of influenza virus infection (influenza A) (extracted from patent WO2021233302A1, compound 8A or 8B).

Cap-dependent endonuclease-IN-21 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-21 inhibits the replication of influenza virus. ap-dependent endonuclease-IN-21 has the potential for the research of influenza virus infection (influenza A) (extracted from patent WO2021233302A1, compound 8B or 8A).

Cap-dependent endonuclease-IN-14 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-14 inhibits the replication of influenza virus. Cap-dependent endonuclease-IN-14 has the potential for the research of viral infections caused by influenza viruses (extracted from patent CN113620948A, compound 1-c).

Neuraminidase-IN-6 (Compound 5c) is a potent inhibitor of neuraminidase with an IC50 of 0.11 μM. Neuraminidase-IN-6 is a 1,3,4-triazole-3-acetamide derivative. Neuraminidase (NA) is an ideal target for the development of anti-influenza drugs.

Cap-dependent endonuclease-IN-13 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-13 has the potential for the research of influenza virus infection (only influenza A) (extracted from patent WO2021180147A1, compound I-1).

Neuraminidase-IN-3 (compound 23d) is a potent influenza neuraminidase (NA) inhibitor with IC50 values of 0.73, 0.26, and 0.63 nM against H1N1, H5N1, and H5N8 NAs, respectively.

Cap-dependent endonuclease-IN-10 is a potent inhibitor of cap-dependent endonuclease (CEN). Not only can Cap-dependent endonuclease-IN-10 inhibit influenza virus well, but also has lower cytotoxicity, better in vivo pharmacokinetic and in vivo pharmacodynamic properties, and better hepatic microsomal stability. Cap-dependent endonuclease-IN-10 has the potential for the research of viral infections (including influenza A, influenza B and influenza C) (extracted from patent WO2021129799A1, compound 1-1).

Cap-dependent endonuclease-IN-11 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-11 has the potential for the research of viral infections (extracted from patent WO2021129602A1, compound DSC126).

Cap-dependent endonuclease-IN-20 is a cap-dependent endonuclease (CEN) inhibitor. Cap-dependent endonuclease-IN-20 shows antiviral activity against influenza virus A/Hanfang/359/95 (H3N2) with IC50 of 4.82 μM (CN112940009A; DSC801).

Cap-dependent endonuclease-IN-18 is a potent cap-dependent endonuclease (CEN) inhibitor (CN112898312A, compound 14).

Cap-dependent endonuclease-IN-17 is a cap-dependent endonuclease (CEN) inhibitor. Cap-dependent endonuclease-IN-17 shows antiviral activity against influenza virus A/Hanfang/359/95 (H3N2) with IC50 of 1.29 μM (CN112898346A; DSC701).

Cap-dependent endonuclease-IN-24 is a potent cap-dependent endonuclease (CEN) inhibitor (CN112876510A, DSC1103).

Cap-dependent endonuclease-IN-16 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-16 is a pyridone polycyclic derivative. Cap-dependent endonuclease-IN-16 has the potential for the research of influenza (extracted from patent CN112778330A, compound 15A).

Cap-dependent endonuclease-IN-22 is a potent cap-dependent endonuclease (CEN) inhibitor.

Cap-dependent endonuclease-IN-15 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-15 inhibits the replication of influenza virus. Cap-dependent endonuclease-IN-15 has the potential for the research of viral infections caused by influenza viruses (extracted from patent CN113226327A, compound c-1).

Cap-dependent endonuclease-IN-19 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-19 is a spirocyclic pyridone derivative. Cap-dependent endonuclease-IN-19 has strong inhibitory effect on RNA polymerase activity of A virus (extracted from patent CN111410661A, compound 1).

Cap-dependent endonuclease-IN-6 (compound 13) is a cap-dependent endonuclease (CEN) inhibitor. Cap-dependent endonuclease-IN-6 shows inhibition against influenza virus (EC50=38.21 nM).

Cap-dependent endonuclease-IN-7 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-7 Inhibits the synthesis of viral mRNA and eventually inhibits virus proliferation. Cap-dependent endonuclease-IN-7 has the potential for the research of viral infections (including influenza A, influenza B and influenza C) (extracted from patent WO2020177715A1, compound 5)

Neuraminidase-IN-5 (Compound 5b) is a potent inhibitor of neuraminidase with an IC50 of 0.02 μM. Neuraminidase (NA) is a promising target for development of anti-influenza drugs. Neuraminidase-IN-5 is a dihydrofurocoumarin derivative compound.

Cap-dependent endonuclease-IN-12 (EXP-35) is a potent Cap-dependent endonuclease inhibitor with low cytotoxicity. Cap-dependent endonuclease-IN-12 shows inhibitory activity against H1N1.

Cap-dependent endonuclease-IN-8 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-8 inhibits replication of orthomyxoviruses (including influenza A, influenza B and influenza C) (extracted from patent CN111410661A, compound I-196).

Cap-dependent endonuclease-IN-5 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-5 inhibits influenza virus well, and/or has lower cytotoxicity, better in vivo pharmacokinetic properties and in vivo pharmacodynamic properties (extracted from patent WO2020078401A1, compound 13-1).

Cap-dependent endonuclease-IN-25 is a potent inhibitor of cap-dependent endonuclease (CEN). Cap-dependent endonuclease-IN-25 is a macrocyclic pyridotriazine derivative. Cap-dependent endonuclease-IN-25 has the potential for the research of viral infections caused by viruses belonging to the Orthomyxoviridae family (extracted from patent WO2020075080A1, compound 4).

Cap-dependent endonuclease-IN-3 is a potent inhibitor of cap-dependent endonuclease (CEN). Not only can Cap-dependent endonuclease-IN-3 inhibit influenza virus well, but also has lower cytotoxicity, better in vivo agent kinetic properties and in vivo pharmacodynamic properties. Cap-dependent endonuclease-IN-3 has the potential for the research of influenza A and influenza B infection (extracted from patent WO2019141179A1, compound VI-1).

Cap-dependent endonuclease-IN-26 is a cap-dependent endonuclease (CEN) inhibitor with an IC50 of 286 nM. Cap-dependent endonuclease-IN-26 shows antiviral activity against many influenza A and B strains.

Cap-dependent endonuclease-IN-9 is a potent inhibitor of cap-dependent endonuclease (CEN). Not only can Cap-dependent endonuclease-IN-9 inhibit influenza virus well, but also has lower cytotoxicity, better in vivo agent kinetic properties and in vivo pharmacodynamic properties. Cap-dependent endonuclease-IN-9 has strong inhibitory effect on RNA polymerase activity of A virus (extracted from patent CN112521386A, compound VI-1).

Cap-dependent endonuclease-IN-2 is a potent inhibitor of cap-dependent endonuclease (CEN). Not only can Cap-dependent endonuclease-IN-2 inhibit influenza virus well, but also has lower cytotoxicity, better in vivo agent kinetic properties and in vivo pharmacodynamic properties. Cap-dependent endonuclease-IN-2 has strong inhibitory effect on RNA polymerase activity of A virus (extracted from patent WO2019052565A1, compound 28).