FIELD: medicine, pharmaceutics.SUBSTANCE: claimed invention relates to azetidine-substituted isoxazoline derivatives of formula (1), where A represents phenyl, naphtyl or heteroaryl, where said heteroaryl represents 5-6-membered aromatic monocyclic ring and contains 1 N heteroatom each of R1a, R1b and R1c independently represents hydrogen, halogen, cyano, nitro or C1-C6halogenalkyl R2 represents halogen, cyano or nitro R3 represents hydrogen, halogen, hydroxyl, cyano, N3 or -NHR4 R4 represents hydrogen, -C(O)R5, -C(S)R5, -C(O)NRaR5, -S(O)pRc, -S(O)2NRaR5 or -C(NR7)R5 R5 represents hydrogen, C1-C6alkyl, C2-C6alkenyl, C0-C6alkylC3-C6cycloalkyl, C0-C6alkylphenyl, C0-C6alkylheteroaryl, representing 5-6-membered aromatic monocyclic ring, containing from 1 to 3 heteroatoms, each of which is independently selected from N, O and S, or C0-C6alkylheterocycle, where said heterocycle represents 4-membered monocyclic ring, containing 1 heteroatom, selected from N, O and S R6 represents C1-C6halogenalkyl R7 represents cyano Ra represents hydrogen, C1-C6alkyl or C0-C3alkylC3-C6cycloalkyl Rb represents hydrogen, C1-C6alkyl or C3-C6cycloalkyl Rc represents C1-C6alkyl, C1-C6halogenalkyl, C1-C6halogenalkylC3-C6cycloalkyl, C0-C3alkylC3-C6cycloalkyl or C0-C3alkylphenyl, each of which is possibly substituted with at least one substituent, selected from cyano or halogen, each of groups C1-C6alkyl or C0-C3alkylC3-C6cycloalkyl ad R5 can be possibly and independently substituted with at least one substituent, selected from cyano, halogen, hydroxyl, C1-C6alkoxy, C1-C6halogenalkoxy, C1-C6halogenalkyl, -S(O)pRc, -SH, -S(O)pNRaRb, -NRaC(O)Rb, -SC(O)Rc and -C(O)NRaRb and where grouping C0-C6alkylheteroaryl or C1-C6alkylheterocycle as R5 can be possibly additionally substituted with at least one substituent, selected from halogen, oxo, hydroxyl, C1-C6alkyl and -SH n represents integer number 0 or 1, and p represents integer number 0, 1 or 2 and its stereoisomers. Invention also relates to pharmac
