To provide a new compound that has inhibitory activity against a membrane-associated prostaglandin E synthase-1 (mPGES-1) and is useful as a prophylactic and/or therapeutic agent for diseases associated with mPGES-1 such as inflammatory diseases, etc. 膜結合型プロスタグランジンE合成酵素−1(mPGES−1)阻害活性を有し、炎症性疾患等のmPGES−1が関与する疾患の予防剤及び/又は治療剤として有用な新規化合物を提供。 - 特許庁