To provide a prophylactic and/or therapeutic agent for diseases associated with AMPA receptors.SOLUTION: The prophylactic and/or therapeutic agent for diseases associated with AMPA receptors contains a compound represented by formula (I), or a pharmaceutically acceptable salt or solvate thereof. (In the formula, A and Z are each independently CO, SO or SO； and X and Y are each independently S or O.)SELECTED DRAWING: None【課題】ＡＭＰＡ受容体に関連する疾患の予防及び／又は治療剤の提供。【解決手段】式（Ｉ）で表される化合物、その医薬として許容し得る塩若しくは溶媒和物を含有する、ＡＭＰＡ受容体に関連する疾患の予防及び／又は治療剤。（Ａ及びＺは夫々独立にＣＯ、ＳＯ又はＳＯ２；Ｘ及びＹは夫々独立にＳ又はＯ）【選択図】なし
