A compound (I) of the present invention, which has an EP1 receptor antagonism:[wherein A represents a benzene ring or the like； Y1 represents a C1-6 alkylene group； Y2represents a single bond or the like； R1 represents a hydrogen atom, a C1-6 alkyl group or the like； R2represents a phenyl group which may have a substituent, a 5-membered aromatic heterocyclic ring which may have a substituent, a 6-membered aromatic heterocyclic ring which may have a substituent or the like； R3represents a halogen atom, a C1-6 alkoxy group or the like； R4 represents a hydrogen atom or the like； and R5 represents a hydrogen atom or the like] or a pharmaceutically acceptable salt thereof is provided. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
