| abstract |
The present invention relates to compounds that respond to formula (I) in which: R1 represents a hydrogen atom or a (C1-C4) alkyl group, R2 represents a hydroxyl group, a thiol group, an alkyloxy group ( C1-C4) or a thioalkyl (C1-C4) group, and n is an integer equal to 1 or 2, in the base or salt state of addition to an acid as well as in the hydrate or solvate state. The present invention also intends its preparation procedure and its application in therapeutics. |