1. The compound of formula (I) where R and R are the same or different and represent hydrogen atoms, groups hydrolyzable under physiological conditions, or possibly substituted alkanoyl or aroyl； X represents a methylene group； Y represents O, S or NH； n is 0, 1, 2 or 3； m is 0 or 1； R denotes a pyridine N-oxide group of the formula A, B or C, which is attached as indicated by the "open" bond: where R, R, F and R are identical or different and are hydrogen, alkyl, thioalkyl, alkoxy, aryloxy, thioaryl, alkanoyl, aroyl, aryl, amino, alkylamino, dialkylamino, cycloalkylamino, heterocycloalkylamino, alkylsulfonyl, arylsulfonyl, halogen, haloalkyl, trifluoromethyl, cyano, nitro or heteroaryl； or two or more than two of R, R, R and R, taken together, are aliphatic or heteroaliphatic rings or aromatic or heteroaromatic rings； the term “alkyl”, including its variant “alk—” in terms such as “alkoxy”, “alkanoyl”, means carbon residues, straight or branched, containing from one to six carbon atoms； the term “aryl” means a phenyl or naphthyl group； the term “heterocycloalkyl” means a four-membered to eight-membered ring, optionally including at least one oxygen, sulfur or nitrogen atom； the term “heteroaryl” means a five-membered or six-membered ring comprising at least one sulfur, oxygen or nitrogen atom； the term “halogen” means fluoro, chloro, bromo or iodo； and if R, R, R, and R are alkyl or aryl, they are optionally substituted with one or more hydroxy, alkoxy, or halogen groups； or its pharmaceutically acceptable salt, ester, carbamate or fo1. Соединение формулы (I)где Rи Rодинаковые или разные и обозначают атомы водорода, группы, гидролизуемые при физиологических условиях, или возможно замещенные алканоилы или ароилы； X обозначает метиленовую группу； Y представляет собой O, S или NH； n равно 0, 1, 2 или 3； m равно 0 или 1； Rобозначает пиридиновую N-оксидную группу формулы A, B или C, которая присоединена, как обозначено "открытой" связью:где R, R, Fи Rодинаковые или разн
