NITROGEN-CONTAINING HETEROCYCLIC COMPOUND HAVING KYNURENINE PRODUCTION INHIBITORY ACTIVITY

摘要

Disclosed is a nitrogen-containing heterocyclic compound represented by formula (I) or a pharmacologically acceptable salt thereof, which has kynurenine production inhibitory activity. (In formula (I), R6 and R7 may be the same or different and each represents a hydrogen atom or the like; R8, R9, R10 and R11 may be the same or different and each represents a hydrogen atom or the like; R1 represents a lower alkyl group which may be substituted by a cycloalkyl group, or the like; and R3 represents an optionally substituted aryl group or an optionally substituted heterocyclic group.)