259793-98-1Relevant articles and documents
Nitrogen-containing heterocyclic carboxamide derivatives or salts thereof and antiviral agents comprising the same
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, (2008/06/13)
Nitrogen-containing heterocyclic carboxamide derivatives represented by the following general formula: 1wherein 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.