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Antibiotic Thiazolidines


The invention relates to a pharmaceutical antibiotic composition containing, by way of active substance, at least one of the compounds having formula (I), wherein: X represents, for example, an oxygen atom; Y represents, for example, a sulphur atom; Ra represents, for example, an alkyl group comprising between 1 and 16 carbon atoms; and A represents a 4-, 5- or 6-membered heterocycle comprising at least one heteroatom which is selected from among N, O, S, P, Si and Se, whereby some of said compounds having formula (I) are novel.


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