To provide a compound having FXa inhibiting action in the prevention and/or treatment of thrombotic diseases caused by the activation of blood coagulation mechanism such as thrombosis/embolism accompanying to cardiovascular diseases, thrombosis/embolism accompanying to cerebrovascular diseases and thrombosis/embolism accompanying to venous diseases. 血液凝固機構が活性化された血栓性疾患、例えば、心血管系疾患に伴なう血栓・塞栓症、脳血管系疾患に伴なう血栓・塞栓症、静脈血管系疾患に伴なう血栓・塞栓症等の予防および/または治療において、FXa阻害作用を有する化合物を提供すること。 - 特許庁