PEPTIDYL ARGININE DEIMINASE TYPE IV INHIBITOR

摘要

A compound represented by the following general formula (I) or a salt thereof. [Chemical formula 1] (I) (In the formula, R<1>, R<2>, and R<3> each independently represents hydrogen or C1-3 alkyl, provided that at least one of R<1>, R<2>, and R<3> is not hydrogen; R<4> represents substituted amino; and R<5> represents optionally substituted carboxy.) Also provided is a peptidyl arginine deiminase type IV inhibitor. With this inhibitor, diseases in which a peptidyl arginine deiminase participates (e.g., articular rheumatism and multiple sclerosis) can be prevented and/or treated.