A novel α-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided.A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring； R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group； R2 represents a hydrogen atom, or a C1-C6 alkyl group； p represents an integer of 0 to 5； V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom； and X represents a halogen atom, or a salt thereof.
