FIELD: pharmacology.SUBSTANCE: invention relates to azole derivative of formula (I) or its pharmaceutically acceptable salt, wherein R1 is hydrogen atom or C1-5alkyl; R2 is hydrogen atom or C1-5alkyl; R3 is phenyl or pyridyl (where phenyl or pyridyl is optionally substituted with one or two fragments selected from the group consisting of C1-5alkoxy, halogen and trifluoromethyl atoms); each of R4 and R5, which can be the same or different, represent hydrogen atom or C1-5alkyl (where C1-5alkyl is optionally substituted with one fragment selected from the group consisting of hydroxy and C1-5alkoxy), or R4 and R5 together with nitrogen atom joining them form 4-7-membered saturated or unsaturated heterocycle, optionally compirsing one cyclic nitrogen, oxygen or sulfur atom, aside from the mentioned above joining nitrogen atom (where 4-7-membered saturated and unsaturated heterocycle is optionally substituted with one or two fragments, selected from the group consisting of hydroxy C1-5alkyl (where C1-5 alkyl is optionally substitued with one or two hydroxyl group), C1-5alkoxy, halogen atoms, cyano, C2-5alkanoyl, aminocarbonyl, mono-C1-5alkylaminocarbonyl, di-C1-5 alkylaminocarbonyl, trifluoromethyl, amino, mono-C1-5alkylamino, di-C1-5alkylamino and C2-5alkylamino, wherein the mentioned 4-7-membered saturated or unsaturated heterocycle optionally has C1-5alkylene fragment, joining two different cyclic carbon atoms), or form 2-oxa-6-azaspiro[3.3]hept-6-yl or 7-oxa-2-azaspiro[3.5]non-2-yl; azole cycle represented by formula (α) has any structure of group (II) formula, contained in invention formula, and wherein Ry is hydrogen atom or C1-5alkyl; X1 and X2 are such that: (i) if X1 means an ordinary link or fragment -CO-, X2 means -C1-5alkylene- or -O-C1-5alkylene-; and (ii) if X1 means a fragment -CONRx1-, X2means an ordinary link; Rx1 is hydrogen atom or C1-5alkyl; and cycle A is benzol cycle, pyridine cycle (where benzol cycle is optionally substituted with one or two frag