| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a kinase inhibitor useful for treatment of diseases related to diabetes and diabetic complications. <P>SOLUTION: There is provided a 6-(4-hydroxyphenyl)-3-styryl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid amide derivative represented by formula I (wherein R<SP POS="POST">1</SP>is an aralkyl group optionally substituted with a heteroatom, or the like; and R<SP POS="POST">2</SP>, R<SP POS="POST">3</SP>, R<SP POS="POST">4</SP>and R<SP POS="POST">5</SP>are each a group selected from among a hydrogen atom, a halogen atom, an alkyl group optionally substituted with a heteroatom, and the like). <P>COPYRIGHT: (C)2013,JPO&INPIT |
