| 摘要 |
<p>The invention concerns a compound of formula (I) in which: R1 and R2 represent, independently of each other, a hydrogen, a C1-6 alkyl group, linear or branched, or together form a polymethylene -(CH)n- group, n ranging between 3 and 6; and R3 represents a hydrogen or halogen atom or a C1-C4 alkyl group, linear or branched, in the form of enantiomer, diastereoisomer or a mixture of those different forms including racemic mixture and its N-oxide derivatives and its additive salts to pharmaceutically acceptable acids. The invention is applicable in therapeutics.</p> |
