| abstract |
Compounds of general formula (I) <IMAGE> in which R1 is hydrogen or an alkyl or benzyl group and R2 is an alkyl, alkenyl, phenyl or benzyl group, or alternatively R1 and R2 form an aliphatic chain, X1, X2 and X3 are each hydrogen or a halogen or an alkyl, methoxy, alkylthio, methylsulfonyl, trifluoromethyl, carboxy, cyano, nitro, amino or aminocarbonyl group, and Y is hydrogen or a halogen or a methyl, trifluoromethyl, carboxy, cyano, amino or aminocarbonyl. Application in therapy. |