SULFONAMIDE COMPOUND OR SALT THEREOF

摘要

[Object] A compound that can be used as an agent for treating a disease associated with an EP1 receptor, in particular, a lower urinary tract symptom. [Means for Solution] It was confirmed that a sulfonamide compound having an amide structure and characterized by a chemical structure in which a carbon atom in the amide bonds to the N atom in sulfonamide through lower alkylene, or a salt thereof, has a potent EP1 receptor antagonistic activity, accomplishing the present invention. Since the sulfonamide compound of the present invention or a pharmaceutically acceptable salt thereof has a potent EP1 receptor antagonistic activity, it is useful as an agent for treating a disease associated with an EP1 receptor, in particular, a lower urinary tract symptom.