The present invention provides acid salts, such as sulfate, hydrochloride, and methanesulfonate, of 4-(1-((4-methylbenzothiophen-3-yl)methyl)benzimidazol-2-ylthio)butanoic acid and the crystals thereof. These benzimidazole derivatives and the crystals thereof have an in vivo chymase inhibitory activity and can be used as a preventive or therapeutic agent for inflammatory diseases, allergic diseases, respiratory diseases, circulatory diseases, or bone/cartilage metabolic diseases.
                            本发明提供了4-(1-((
4-甲基苯并噻吩-3-基)甲基)
苯并咪唑-2-基
硫基)
丁酸的酸盐,例如
硫酸盐、盐酸盐和
甲烷磺酸盐,以及其晶体。这些
苯并咪唑衍
生物及其晶体具有体内凝血酶抑制活性,并可用作预防或治疗炎症性疾病、过敏性疾病、呼吸系统疾病、循环系统疾病或骨骼/软骨代谢疾病的药物。