| abstract |
The invention concerns medicines containing as active principle at least one 2-(1,2,3,4-tetrahydroxybutyl)pyrazine derivative of formula (I) in which: R1 and R2, identical or different, represent (a) a hydrogen atom, (b) an alkyl radical, (c) a phenyl radical, (d) a phenyl radical substituted by one or several substituents selected among hydroxy, carboxy, alkoxycarbonyl, amino, monoalkylamino and dialkylamino, (e) a phenylalkyl radical or (f) a phenylalkyl radical whereof the phenyl is substituted by one or several substituents selected among hydroxy, alkoxy, carboxy, alkoxycarbonyl, amino, monoalkylamino and dialkylamino or one of its stereoisomers or one of its salts, the novel compounds of formula (I), their stereoisomers and the salts and the method for preparing them. |