Patent ID: 7605272

Claim:
An indazole derivative represented by Formula (IIIb): {wherein R 4 represents a hydrogen atom or substituted or unsubstituted lower alkyl, R 5 represents a hydrogen atom, substituted or unsubstituted lower alkyl, a substituted or unsubstituted heterocyclic group, —C(═S)NH 2 , —C(═O)R 6 [wherein R 6 represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkoxy, substituted or unsubstituted aryl, a substituted or unsubstituted heterocyclic group, or —NR 7a R 7b (wherein R 7a and R 7b may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkoxy, substituted or unsubstituted aryl, or a substituted or unsubstituted heterocyclic group, or R 7a and R 7b are combined together with the adjacent nitrogen atom thereto to form a substituted or unsubstituted heterocyclic group)] or —S(O) 2 R 8 (wherein R 8 represents substituted or unsubstituted lower alkyl or substituted or unsubstituted aryl), or R 4 and R 5 are combined together with the adjacent nitrogen atom thereto to form nitro, a substituted or unsubstituted heterocyclic group, —N═CH—R 18 (wherein R 18 represents substituted or unsubstituted aryl, or a substituted or unsubstituted heterocyclic group), or —N═CH—NR 9a R 9b (wherein R 9a and R 9b may be the same or different and each represents a hydrogen atom or lower alkyl), and R 11a and R 11b have the same meanings as R 7a and R 7b defined above, respectively}, or a pharmaceutically acceptable salt thereof.