| 摘要 |
<p>The invention concerns compounds of general formula (1), wherein: R1 represents a hydrogen atom, a fluorine atom or a methoxyl group (OCH3), the substituent R1 on the aromatic carbocycle capable of occupying position 2, 3, 4 or 5; R2 represents a hydrogen atom or a methyl group; R3 represents a hydrogen atom, a methyl group or an ethyl group; their addition salts and optionally the hydrates of their addition salts with pharmaceutically acceptable mineral acids or organic acids as well as the isomers and the tautomers thereof.</p> |
