PROBLEM TO BE SOLVED: To provide a compound useful as a therapeutic agent of a disease associated with Toll-like Receptor (TLR) 2 and a pharmaceutical composition containing the compound.SOLUTION: The present invention provides a compound represented by formula (1) or a pharmaceutically acceptable salt thereof [where A is a hydrogen atom or C1-6 alkyl, B is a hydrogen atom or C1-6 alkyl, Q is C6-10 aryl, 5-10 membered heteroaryl or the like, W is formula (W-1), formula (W-2) or the like, RA, RB, RC and RD are a hydrogen atom, C1-6 alkyl or the like, -L-RE is -bond-RE, -O-RE or the like, RE is a hydrogen atom, C1-6 alkyl or the like].SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】Toll様受容体(Toll-like Receptor; TLR)2が関与する疾患の治療剤として有用な化合物及び当該化合物を含む医薬品組成物の提供。【解決手段】式(1)で表される化合物又はその製薬学的に許容される塩。 [式中、Aは水素原子又はC1-6アルキルを表し、Bは水素原子又はC1-6アルキルを表し、QはC6-10アリール、5~10員のヘテロアリール等を表し、Wは式(W-1)、式(W-2)等を表し、RA、RB、RC及びRDは水素原子、C1-6アルキル等を表し、-L-REは-結合-RE、-O-RE等を表し、REは水素原子、C1-6アルキル等を表す]【選択図】 なし