| abstract |
The subject of the present invention is derivatives of general formula (I), in which R 'represents a methyl or a 2-thienyl, R represents an acyl group of formula R1OCH2CO, in which R1 is a nucleus phenyl substituted with one or more substituents X, in ortho, meta or para position, X representing a formyl, acetyl, cyano or trifluoro acetyl group, and their salts pharmaceutically acceptable. The present invention relates to also their preparation process, their use as a medicine and pharmaceutical compositions comprising them. |