PROBLEM TO BE SOLVED: To provide pharmaceuticals which inhibit TLR3, 7 and/or 9 and have excellent preventive and/or therapeutic effect on autoimmune diseases, inflammation, allergy, asthma, graft rejection, GvHD or sepsis.SOLUTION: The present invention provides compounds represented by the specified general formula (1) or salts thereof or their solvates. [In the formula, R1, R2, R3 and R4 each independently represent a hydrogen atom or a C1-3 alkyl group, Q represents a C1-6 alkylene group, and cycle T represents a 5- or 6-membered nitrogen-containing saturated heterocycle.]COPYRIGHT: (C)2014,JPO&INPIT【課題】TLR3、7及び/又は9を阻害し、自己免疫疾患、炎症、アレルギー、喘息、移植片拒絶、GvHD又は敗血症の予防及び/又は治療効果に優れた薬剤を提供すること。【解決手段】次の一般式(1):[式中、R1、R2、R3及びR4は、それぞれ独立して、水素原子又はC1-3アルキル基を示し、Qは、C1-6アルキレン基を示し、環Tは、5又は6員の含窒素飽和複素環を示す]で表される化合物若しくはその塩、又はそれらの溶媒和物。【選択図】なし
