| 摘要 |
PROBLEM TO BE SOLVED: To provide a new benzimidazole derivative having excellent characteristics as a medicine. SOLUTION: This benzimidazole derivative is a compound represented by formula (I) [wherein R<SP>1</SP>is a group shown by formula (II) (R<SP>2</SP>, R<SP>3</SP>, R<SP>4</SP>, R<SP>5</SP>, R<SP>6</SP>, R<SP>7</SP>and R<SP>8</SP>are each independently H or a 1-6C alkyl)] or a salt thereof. COPYRIGHT: (C)2006,JPO&NCIPI
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