| 摘要 |
<p>The invention concerns a compound of formula (I) in which A is a piperidin-1-yl group non-substituted or substituted by one or several groups selected among a C1-C4 alkyl group and a hydroxy group; R1 and R2, identical or different, are selected among a hydrogen atom, a C1-C4 alkyl group and a hydroxy group and their edible salts.</p> |
