| 摘要 |
Compounds of general formula (I) in which: A represents either one hydrogen atom, one hydroxyl, one C1-6 hydroxyalkyl group, one thiol, one C1-6 alkylsulphanyl group, one amine group, one C1-6 alkylamine group, one di (C1-6 alkyl) amine group, one C1-6 alkyl hydroxylamine group, one C1-6 alcoxy group, one hydroxylamine group, one C1-6 N, O-dialkyl hydroxylamine group, one azide, one halogen such as fluorine, chlorine or bromine, B represents one hydrogen atom, one C1-6 alkyl, branched or linear, one C2-6 alkenyl group, one C1-6 fluoroalkyl group, one C1-2 perfluoroalkyl group, one C1-6 alcoxy group, one phenyl group, or one oxo group, X represents one oxygen or sulphur atom. The invention is useful in therapeutics.
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