An object of the present invention is to provide a therapeutic agent for rheumatic diseases comprising a benzamide derivative as an active ingredient. The benzamide derivative according to the present invention is a compound represented by the following general formula [1] or a salt thereof as an active ingredient. In the formula, R1, R2 and R3, the same or different, are hydrogen, halogen, hydroxyl, lower alkyl, lower alkoxy, aryl, aryl-lower alkyl, aryloxy, amino, amino-lower alkyl, lower alkylamino or carboxyl, X is aryl or a heterocycle, Y is a direct bond or lower alkylene wherein the lower alkylene can contain oxygen atom(s) in the group, and Z is a direct bond or lower alkylene.
本发明的目的是提供一种治疗风湿病的药物,其活性成分包括一种苯甲酰胺衍
生物。根据本发明的苯甲酰胺衍
生物是由以下通式[1]代表的化合物或其盐作为活性成分。式中,相同或不同的R1、R2和R3是氢、卤素、羟基、低级烷基、低级烷氧基、芳基、芳基-低级烷基、芳氧基、
氨基、
氨基-低级烷基、低级烷基
氨基或羧基,X是芳基或杂环,Y是直接键或低级亚烷基,其中低级亚烷基的基团中可以含有氧原子,Z是直接键或低级亚烷基。