Nitrogen-containing heterocyclic carboxamide derivatives represented by the following general formula:
wherein ring A is a substituted or unsubstituted pyrazine, pyrimidine, pyridazine or triazine ring; R1 is O or OH; R2 is a hydrogen atom, an acyl group or a substituted or unsubstituted carbamoylalkyl or carboxyalkyl group; and the broken line represents a single bond or a double bond; or salts thereof are useful for preventing and treating virus infections and especially influenza virus infections.
由以下通式表示的含氮杂环羧酰胺衍
生物:
其中环 A 是取代或未取代的
吡嗪环、
嘧啶环、
哒嗪环或
三嗪环;R1 是 O 或 OH;R2 是氢原子、酰基或取代或未取代的
氨基甲酰基或羧基;断线代表单键或双键;或其盐类可用于预防和治疗病毒感染,尤其是流感病毒感染。