Patent ID: 8247404

Claim:
A compound of formula (I): in which: m is 0 or 1; A is: and B is a hydrogen atom or A is a hydrogen atom and B is: R1 and R2, which may be identical or different, are independently a hydrogen or halogen atom, a C 1 -C 4 alkyl, C 1 -C 4 fluoroalkyl, C 1 -C 2 perfluoroalkyl or C 1 -C 4 alkoxy group or a trifluoromethoxy group; n is 1 or 2; R3 is a group of formula: where R4 and R5, which may be identical or different, are located on any available positions, and are independently a hydrogen or halogen atom, a hydroxyl, a C 1 -C 4 alkyl, C 1 -C 4 fluoroalkyl, C 1 -C 2 perfluoroalkyl, C 1 -C 4 alkoxy group, a trifluoromethoxy group, a cyano group, a COOH, COOalkyl, CONH 2 , CONR6R7 or NHCOR group, R, R6 and R7 are a C 1 -C 6 alkyl; in the form of a base or of an acid addition salt.