PROBLEM TO BE SOLVED: To provide an agent excellent in preventive and/or therapeutic effects of cardiomyopathy due to autoimmune diseases, inflammation, allergy, asthma, graft rejection, GvHD or sepsis by inhibiting TLR3, 7 and/or 9.SOLUTION: There is provided a compound of the general formula (1) or a salt thereof or a solvate thereof. (1), where R1 and R2 represent a hydrogen atom and the like, n represents an integer shown by 1 and/or 4, ring A and B each independently represents a 5- or 6-membered nitrogen-containing saturated heterocyclic ring.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又は敗血症による心筋症の予防及び/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及びR2は、水素原子等を示し、nは、1乃至4で示される整数を示し、環A及びBは、それぞれ独立して、5又は6員の含窒素飽和複素環を示す]で示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
