PROBLEM TO BE SOLVED: To provide medicaments for the treatment and/or prevention of disorders associated with the target calcineurin.SOLUTION: Morphinan derivatives of formula (I) and their pharmaceutically acceptable salts are provided.COPYRIGHT: (C)2013,JPO&INPIT【課題】標的カルシニューリンに関連する障害の治療及び/又は予防薬剤の提供。【解決手段】式(I)のモルヒナン誘導体、及びその薬学的に許容される塩。【選択図】なし