| 摘要 |
A compound of formula (1)or a salt thereof, or a solvate thereof,wherein;R1 and R2 each independently represents C1-6alkoxy or halo;R3 and R4 each independently represents hydrogen, C1-6alkoxy, arylC1-6alkoxy, hydroxy, carboxyC1-6alkoxy, hydroxyC1-6alkoxy, dihydroxyC1-6alkoxy, mono- and di-(C1-6alkyl)aminoC1-6alkoxy or aminoC1-6alkoxy, and;R5 represents -NRsRt wherein Rs and Rt each independently represent hydrogen, unsubstituted or substituted C1-6alkyl, or unsubstituted or substituted heterocyclyl, a process for the preparation of such a compound, a pharmaceutical composition containing such a compound and the use of the compound or composition in medicine. |
