N-ACYL ANTHRANILIC ACID DERIVATIVE OR SALT THEREOF
申请人:Yokotani Junichi
公开号:US20110275797A1
公开(公告)日:2011-11-10
An N-acyl anthranilic acid derivative represented by general formula (1) or a salt thereof is useful for prevention or treatment of diseases associated with excessive production of collagen. (In the formula, R
1
represents a carboxyl group or the like; R
2
represents a hydrogen atom or the like; R
3
represents an optionally substituted aryl group or the like; X
1
represents a carbonyl group; X
2
represents a bonding hand; X
3
represents a bonding hand; X
4
represents a bonding hand or the like; and A represents an optionally substituted phenyl group or the like.)