FIELD: chemistry.SUBSTANCE: invention relates to a compound of formula (I) and pharmaceutically acceptable salts thereofwhere Me denotes a methyl group, R1 is a hydrogen atom, C1-6alkyl group (C1-6alkyl group can be substituted with one substitute selected from hydroxy group, C1-6alkoxy group, diC1-6alkylamino group and group, presented by formula -NR78COR79 or formula -NR80SO2R81, where R78 and R80 represent a hydrogen atom and R79 and R81, which can be identical or different, denote a hydrogen atom or C1-6alkyl group) or C1-6alkylsulphonyl group, R2 represents a hydrogen atom, 4-8-member saturated heterocyclic group with one heteroatom selected from nitrogen atoms (saturated heterocyclic group can be substituted with one substitute selected from phenyl C1-6alkyl group and C1-6alkyl group), C1-6alkanoyl group (C1-6alkanoyl group can be substituted with an amino group or diC1-6alkylamino group) or C1-6alkyl group which can be substituted with 1-3 substitutes selected from a group of substitutes 1, or R1 and R2 may be combined together with a nitrogen atom to which they are bonded to form a 4-8-member saturated nitrogen-containing heterocyclic group, which can additionally contain 1 heteroatom selected from a nitrogen atom (saturated nitrogen-containing heterocyclic group can be substituted with 1 substitute selected from hydroxy group, amino group, diC1-6alkylamino group and C1-6alkyl group (C1-6alkyl group can be substituted with diC1-6alkylamino group)). Values of other substitutes are given in patent claim. Invention also relates to a medicinal agent as a macrolide antibiotic for prevention and/or therapeutic treatment of various microbial infectious diseases, containing disclosed compound as an active ingredient, and to a compound of formula (VIII).EFFECT: technical result is obtaining novel compounds having strong antibacterial activity.20 cl, 22 tbl, 576 exИзобретение относится к соединению формулы (I) и его фармацевтически приемлемым солямгде Me представляет
