FIELD: organic chemistry, macrolide antibiotics. SUBSTANCE: invention describes compounds of the formula (I) given in description and their salts where R1 means methyl, ethyl or isopropyl group; R2 means halogen atom, C1-8-alkyl group of C3-8-alkenyl group and group -NO-R2 is at E-configuration; OR3 means hydroxyl group or substituted hydroxyl group containing up to 25 carbon atoms. These compounds can be used as antibiotics for human and animal and for agriculture pest killing. EFFECT: improved method of synthesis, enhanced effectiveness of compounds. 12 cl, 2 tbl
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