| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonsteroidal anti-inflammatory agent which performs suitable anti-inflammatory action. SOLUTION: The anti-inflammatory agent includes a phthalide derivative represented by formula (1) (wherein R<SB>1</SB>to R<SB>4</SB>are each one group selected from the group consisting of hydrogen, a hydroxy group, and an alkoxy group). COPYRIGHT: (C)2011,JPO&INPIT
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