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)[1].