To provide: novel tetrahydro-isohumulone (THIAA) derivatives and substantially enantiomerically pure compositions and pharmaceutical formulations thereof; and methods of using the compounds and compositions to activate PPARγ, inhibit inflammation, and treat conditions associated with inflammation and conditions responsive to PPARγ modulation such as diabetes.SOLUTION: One example of the novel tetrahydro-isohumulone (THIAA) derivatives is shown in the figure.SELECTED DRAWING: None【課題】新規テトラヒドロイソフムロン(THIAA)誘導体および実質的に鏡像異性的に純粋な組成物ならびにその医薬製剤の提供。さらにPPARyを活性化し、炎症を抑制し、ならびに炎症に関連する状態および糖尿病などPPARy調節反応性の状態を治療する化合物ならびに組成物の使用方法の提供。【解決手段】新規テトラヒドロイソフムロン(THIAA)誘導体の一例を次に示す。【選択図】なし