| abstract |
Compounds of formula (I): in which: R and R, which are identical or different, each represent a hydrogen or halogen atom, or an alkyl, alkoxy, alkylthio, acyl, alkoxycarbonyl, carboxy, hydroxy or hydroxyalkyl group, cyano, nitro, amino, substituted or unsubstituted aminocarbonyl, aminosulfonyl, alkylsulfonylaminoalkyl, N-hydroxycarboximidamide or benzyloxy,> R represents a hydrogen atom or an alkyl, cycloalkyl or cycloalkylalkyl group,> R represents a hydrogen atom or an alkyl group substituted or not, Drugs. |