| 摘要 |
<p>Benzofuran derivatives represented by general formula (I) or pharmacologically acceptable salts thereof, wherein R1 represents lower alkyl; R2 represents hydrogen or optionally substituted lower alkyl; R?3, R4, R5, and R6¿ are the same or different and each represents hydrogen or lower alkyl; X represents CH¿2? or C=O; and Y represents CH2 or NH.</p> |
