| abstract |
Compounds of formula (I): (see formula I) in which : - R1 and R2, identical or different, represent a hydrogen atom or a linear or branched (C1-C6) alkyl group, R3 represents a hydrogen or halogen atom, an alkyl group (C1-C6) linear or branched, or a linear or branched (C1-C6) alkoxy group, Het represents a pyridyl, pyrimidyl or piperidyl group, eventually substituted with one or more groups selected from halogen, alkyl (C1-C6) linear or branched, linear or branched (C1-C6) alkoxy, - ~ represents a single bond or a double bond, their enantiomers and diastereoisomers, as well as their addition salts to a acid or at a pharmaceutically acceptable base, Drugs. |