PROBLEM TO BE SOLVED: To provide a novel fatty acid derivative, and provide the use of an effective amount of a fatty acid derivative for treating schizophrenia in a mammalian subject.SOLUTION: The present invention provides a pharmaceutical composition for treating schizophrenia in a mammalian subject, the pharmaceutical composition comprising an effective amount of a fatty acid derivative represented by formula (I) [in the formula, each symbol is as described in the specifications].SELECTED DRAWING: None【課題】本発明は、新規の脂肪酸誘導体を提供する。本発明はまた、哺乳類対象における統合失調症を処置するための、有効量の脂肪酸誘導体の使用を提供する。【解決手段】哺乳類対象における統合失調症の処置のための医薬組成物であって、式(I)【化１】［式中の各記号は、明細書中に記載の通りである。］で表される脂肪酸誘導体を有効量含む、医薬組成物。【選択図】なし
