PROBLEM TO BE SOLVED: To provide a novel antipsychotic.SOLUTION: This invention relates to a heterocyclic compound or salt thereof, the heterocyclic compound having the following structure (in the formula, a ring Q represents a quinolinyl group or the like, a ring B represents a dinitrogen-containing heterocycle, and A represents a lower alkylene group or the like).COPYRIGHT: (C)2014,JPO&INPIT【課題】新規な抗精神病薬を提供する。【解決手段】本発明は下記の構造(式中、環Qはキノリニル基等を示し、環Bは含二窒素ヘテロ環を示し、Aは低級アルキレン基等を示す)を有する複素環化合物またはその塩に関する。【選択図】なし