| abstract |
The present invention relates to a compound represented by the formula: wherein A is pyridyl group having at least one substituent wherein R1, R2 and R3 are each a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted with halogen or a C1-6 alkoxy group optionally substituted with halogen, R4 and R6 are each a hydrogen atom, a halogen atom or a C1-6 alkyl group optionally substituted with halogen, R5 is a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen and R7 is a hydrogen atom or a C1-6 alkyl group optionally substituted by halogen or one of its salts or a pharmaceutical composition that contains them. |