FIELD: medicine, pharmaceutics.
SUBSTANCE: invention relates to formula I compounds and to their pharmaceutically acceptable salts. Invention compounds possess properties of receptor V1a antagonist. In formula I 
R1 is selected from the group, consisting of H; -C1-6-alkyl; and -C(O)-O-C1-6-alkyl; R2 represents halogen; R3 represents C6-10-aryl or 5-6-membered heteroaryl, containing 1-2 heteroatoms, independently selected from N, S, each of which is non-substituted or substituted with from 1 to 2 substituents, independently selected from the group, consisting of halogen, cyano, C1-6-alkyl, C1-6-alkoxy and halogen-C1-6-alkoxy. Invention also relates to pharmaceutical composition and to application of compounds for preparation of medication.
EFFECT: novel formula I compounds, possessing properties of receptor V1a antagonist, have been obtained.
13 cl, 10 tbl, 42 ex
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