| 摘要 |
A type-I insulin-like growth factor receptor (IGF-1R) inhibitor, or the like, comprising as an active ingredient an indazole derivative, or a pharmacologically acceptable salt thereof, represented by the formula (I) : wherein R1 is-NR4R5 [wherein R 4 is a hydrogen atom, etc.; and R5 is a substituted or unsubstituted lower alkyl,-C(=O)R6 (wherein R6 is a substituted or unsubstituted lower alkyl, a substituted or unsubstituted aryl, etc.), etc.], and R2 and R3 may be identical with or different from each other and each represent a hydrogen atom, hydroxyl, a substituted or unsubstituted lower alkoxy, etc.
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