This 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 theformula, A and Z independently represent CO, SO or SO2; X and Y are independently S or O; R1-R4 are independently hydrogen, an alkyl group, an alkenyl group, an alkynyl group or a halo group; R5 is, independently for each occurrence, an alkyl group, an alkenyl group, an alkynyl group or a halo group; and n is an integer of 0-4.