FIELD: medicine, pharmaceutics.SUBSTANCE: invention relates to formulacompounds and their pharmaceutically acceptable salts, where A represents C(R); D represents N(R); E represents N; G are selected from group, consisting of R-O-C(O)- and R-N(R)-C(O)-; Rare selected from hydrogen, halogen and (C-C)-alkyl; Rare selected from (C-C)-alkyl, (C-C) cycloalkyl-CH- and Ar-CH-, where s equals 0, 1, 2 and 3; Rare selected from R-O-, R-N(R)-C(O)-O- and Het-C(O)-O-; Rare selected from hydrogen, R, (C-C)-cycloalkyl and Ar; Rand Rindependently on each other are selected from hydrogen, Rand Ar; Rrepresents (C-C)-alkyl, which is optionally substituted with 1-3 similar or different substituents, selected from halogen, HO-, R-O-, oxo, (C-C)-cycloalkyl, optionally substituted with 1-3 fluorine atoms, Ar, Het, Het, di((C-C)-alkyl)N-C(O)- and Het-C(O)-; Rrepresents (C-C)-alkyl; Rrepresents (C-C)-alkyl, which is optionally substituted with (C-C)-alkyl-O-; Ris selected from group, consisting of R, R-CH- and Het-CH-, where u equals 0; R, Rand Rare such as given in invention formula; Rrepresents hydrogen; Rand Rtogether represent (CH), x equals 2, 3, 4 or 5; Ris selected from group, consisting of hydrogen and HO-; Rrepresents hydrogen; R, Rand Rare such as given in invention formula; Ar is selected from group, consisting of phenyl and aromatic 6-membered monocyclic heterocycle, which includes one nitrogen atom, with phenyl and heterocycle being optionally substituted with 1-3 similar or different substituents, selected from halogen (C-C)-alkyl, optionally substituted with 1-3 fluorine atoms, (C-C)-alkyl-O-, (C-C)-alkyl-S(O)-, HN-S(O)- and NC-; Het, Het, Hetand Hetare such as given in invention formula; m equals 0, 1 and 2. Invention also relates to method of obtaining formula I compounds, pharmaceutical composition and application.EFFECT: formula I compounds, possessing properties of cathepsin A protease.2 cl, 2 tbl, 762 exИзобретение относится к соединениям формулы I и их фармацевтически