| abstract |
Compounds of formula (I): (see formula I), in which: R1 represents a hydrogen atom, a group of formula COR4, or else R1 represents a group of formula (A): (see formula A), R2 represents a group of formula NR5R6, or R2 represents a nitrogen, aryl or heteroaryl heterocyclic group, R3 represents a hydrogen atom or an alkyl group, m represents an integer between 1 and 6, n represents 0, 1 or 2, their optical isomers, as well as their addition salts with a pharmaceutically acceptable acid. Drugs. |