| 摘要 |
<p>Compounds represented by the general formula (I) (wherein R1 represents hydrogen etc.; R2 represents hydrogen etc.; R3 represents a C1-C3 linear or branched alkyl; and R4 represents an optionally substituted aryl etc.), hydrates thereof, and pharmaceutically acceptable salts of both. These compounds have COX-2 inhibitory activities and are useful as medicines such as an antiphlogistic.</p> |
