Patent ID: 7968542

Claim:
A compound represented by the formula (I): wherein R 1 is: a phenyl group optionally substituted with one or more C 1-6 alkyl groups, one or more C 1-3 alkyl groups substituted with one or more halogen atoms, one or more C 1-3 alkoxy groups optionally substituted with one or more halogen atoms, or one or more halogen atoms, R 2 is: a hydrogen atom or a C 1-3 alkyl group optionally substituted with one or more halogen atoms, R 3 is: a thienyl group substituted with one or more substituents selected from the group consisting of: hydrogen atoms, nitro groups, halogen atoms, C 1-3 alkyl groups optionally substituted with one or more halogen atoms, and (C═O)R 5 , wherein R 5 is NR 6 R 7 , wherein R 6 is: a hydrogen atom or a C 1-3 alkyl group optionally substituted with one or more halogen atoms, and R 7 is: a substituted C 1-6 alkyl group substituted with: one or more halogen atoms, one or more hydroxyl groups, one or more C 1-3 alkoxy groups, or one or more C 2-14 aryl groups, where the one or more C 2-14 aryl groups may contain one to three heterocyclyl nitrogen atoms, oxygen atoms, and/or sulfur atoms, where the one or more C 2-14 aryl groups may be substituted with one or more C 1-3 alkyl groups, one or more C 1-3 alkoxy groups, one or more carboxyl groups, one or more carbamoyl groups, one or more cyano groups, or one or more halogen atoms, and where in the case of aryl groups containing one or more nitrogen atoms, optionally the N-oxides thereof, a phenyl group optionally substituted with one or more halogen atoms, a thienyl group optionally substituted with one or more halogen atoms, a pyridyl group optionally substituted with one or more halogen atoms, or a pyridyl-N-oxide group optionally substituted with one or more halogen atoms, or NR 6 R 7 is, as a whole, a nitrogen-containing heterocyclyl group optionally substituted with: one or more hydrogen atoms, one or more C 1-6 alkyl groups optionally substituted with one or more halogen atoms, one or more halogen atoms, one or more hydroxyl groups, or one or more C 1-3 alkoxy groups optionally substituted with one or more halogen atoms, or R 5 is a C 1-6 alkyl group optionally substituted with: one or more halogen atoms, one or more pyridyl groups, one or more pyridyl-N-oxide groups, one or more furyl groups, one or more thienyl groups, one or more phenyl groups, or one or more cyano groups, and R 4 is: a hydrogen atom or a C 1-3 alkyl group optionally substituted with one or more halogen atoms; a tautomer, prodrug or pharmaceutically acceptable salt of the compound.