| 摘要 |
<p>Disclosed is a new class of compound which has HSP90 inhibitory activity and is useful as an antitumor agent or the like. Also disclosed is a compound which is useful as a synthesis intermediate for the compound having HSP90 inhibitory activity. Specifically disclosed is a compound represented by the general formula (1) below, or a pharmaceutically acceptable salt thereof. (In the formula, X, R1, R2, R3, R4, R5, R6, R7, L1, L2 and L3 are as defined in the description.).</p> |
