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The invention relates to a quinoline triazole compound and application thereof. The quinoline triazole compound has the structural characteristics as shown in formula I, and can effectively treat diseases caused by respiratory viruses such as influenza.

This invention discloses a heparin trisaccharide compound, its preparation method, and its applications, belonging to the field of compound preparation technology. The heparin trisaccharide compound is mainly prepared by the following method: linking a monosaccharide donor and a disaccharide acceptor through glycosylation, then reacting in a methanol / sodium methoxide system or a tetrahydrofuran / sodium hydroxide / water system, followed by sequential O-sulfonation, catalytic hydrogenation, and N-sulfonation post-treatment steps to obtain the heparin trisaccharide compound. This compound has a well-defined structure, a single component, and exhibits anti-angiogenic activity and anti-tumor potential.