Heterocyclic Carboxamide Derivative Containing Nitrogen or a Salt thereof

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专利权人:

发明人:

YOUSUKE FURUTA,HIROYUKI EGAWA

申请号：

BR9913097

公开号：

BR9913097B1

申请日:

1999.08.18

申请国别(地区):

BR

年份:

2013

代理人:

摘要：

Nitrogen-containing heterocyclic carboxamide derivatives represented by the following general formula: <；CHEM>； wherein ring A is a substituted or unsubstituted pyrazine, pyrimidine, pyridazine or triazine ring； R<；1>； is O or OH； R<；2>； 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.

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