Patent ID: 6995163

Claim:
A compound represented by the formula: wherein R 2 is a hydrogen atom, a C 1-6 alkyl group, a C 2-6 alkenyl group, a C 2-6 alkynyl group, a C 1-6 alkoxy group, a C 3-8 cycloalkyl group, a C 1-6 alkoxy C 1-6 alkyl group, a C 3-8 cycloalkyl C 1-6 alkyl group or a C 1-6 alkyl-aryl group; R 3 is (i) a hydrogen atom; (ii) formula —COR 4 (wherein R 4 represents a C 1-6 alkyl group, an optionally substituted aryl C 1-4 alkyl group, an optionally substituted aryl group, an optionally substituted heteroaryl C 1-4 alkyl group or an optionally substituted heteroaryl group); (iii) —S(O) n R 5 (wherein R 5 represents a C 1-6 alkyl group, an optionally substituted aryl C 1-4 alkyl group, an optionally substituted aryl group, an optionally substituted heteroaryl C 1-4 alkyl group or an optionally substituted heteroaryl group; and n is an integer of 0, 1 or 2); (iv) a C 1-10 alkyl group optionally substituted with any of one or more groups defined in the following A group; (v) a C 2-10 alkenyl group optionally substituted with any of one or more groups defined in the following A group; (vi) a C 2-10 alkynyl group optionally substituted with any of one or more groups defined in the following A group; (vii) an optionally substituted aryl group; or (viii) a C 3-8 cycloalkyl group optionally fused with optionally substituted benzene ring and optionally substituted with a C 1-4 alkyl group; the A group defined above is selected from at least one of the group consisting of: (1) halogen atom, (2) hydroxy group, (3) nitro group, (4) cyano group, (5) carboxy group, (6) a C 1-6 alkyloxycarbonyl group, and (7) a group represented by the formula —S(O) r R 15 (wherein r is an integer of 0, 1 or 2; and R 15 represents: (i) hydrogen atom; (ii) a C 1-6 alkyl group; (iii) a group represented by the formula —NR 16 R 17 (wherein R 16 and R 17 are the same as or different from each other and each represents hydrogen atom, a C 1-6 alkyl group optionally substituted with an optionally substituted aryl group, a C 1-4 alkylacyl group, an optionally substituted aryl C 1-4 alkyl group, an optionally substituted heteroaryl C 1-4 alkyl group, an optionally substituted aryl group or an optionally substituted heteroaryl group); (iv) an optionally substituted aryl C 1-4 alkyl group; (v) an optionally substituted aryl group; (vi) an optionally substituted heteroaryl C 1-4 alkyl group; or (vii) an optionally substituted heteroaryl group); M′ represents a hydrogen atom, a halogen atom or a C 1-6 alkyl group; R 7 ′ represents a hydrogen atom or a C 1-6 alkyl group; and W′ represents a phenyl group, pyridyl group, thienyl group, or furyl group, each being optionally substituted; and a pharmacologically acceptable salt thereof or hydrates thereof.