PROBLEM TO BE SOLVED: To provide a coagulation factor VIIa inhibitor that is effective in treating cancer and thromboembolic disorders.SOLUTION: A composition comprises a compound represented by molecular formula (I) dissolved in an amino acid buffer and water or salt thereof.【課題】癌及び血栓塞栓性疾患の治療に効果を有する、凝血因子VIIa阻害剤の提供。【解決手段】アミノ酸の緩衝液及び水に溶解した分子式(I)で表される化合物又はその塩を含む組成物。【選択図】なし