摘要 |
<p>Indole derivatives represented by general formula (I) or pharmacologically acceptable salts thereof, wherein R?1 and R2¿ are the same or different and each represents hydrogen, lower alkyl, -(CH¿2)n-OR?6 or (a); R3 represents hydrogen, lower alkyl or (b); and R?4 and R5¿ represent each hydrogen, lower alkyl, alicyclic alkyl, optionally substituted aryl, optionally substituted heterocycle, (c) or -(CH¿2)r-R?13.</p> |