Problem to be solved: to provide compounds, medicinal compositions, and use thereof to treat cancer and tumorous diseases.Solution: a substituted pyrrolopyridine derivative compound and a pharmaceutical composition containing the compound are provided. The subject compounds and compositions serve to inhibit histone demethylase. In addition, the compounds and compositions of the subject matter will help treat cancer such as prostate cancer, breast cancer, bladder cancer, lung cancer, and / or melanoma.No selection【課題】癌と腫瘍性疾患を処置するための化合物、医薬組成物、及びその使用の提供。【解決手段】置換されたピロロピリジン誘導体化合物と当該化合物を含む医薬組成物が提供される。主題の化合物と組成物は、ヒストンデメチラーゼの阻害に役立つ。さらに、主題の化合物と組成物は、前立腺癌、乳癌、膀胱癌、肺癌、および/または黒色腫などの癌の処置に役立つ。【選択図】なし