FIELD: pharmacology.
SUBSTANCE: agent is amino acid derivatives of 2-quinaldicarboxylic acid: 2-quinaldine-seryl methyl ester 
(Qln-Ser), 2-quinaldine-tryptophanyl methyl ester 
(Qln-Trp) and 2-quinaldine-alanyl-proline-1(1-adamantyl)ethylamide 
(Qln-APR), and can be used for development of new antiviral drugs. The invention also relates to a new compound - 2-quinaldine-alanyl-proline-1(1-adamantyl)ethylamide (Qln-APR).
EFFECT: increased antiviral activity of derivatives against influenza A viruses and acting on strains resistant to rimantadine and amantadine.
3 cl, 7 dwg, 4 tbl, 6 ex
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