Compounds of the formula I in which X 1, X 2, X 3, X 4 each, independently of one another, denote CH or N, Y denotes N or CH, Q denotes H or CH 3, R 1 denotes H, F, Cl, Br, CN, CH 3, CF 3 or OCH 3, R 2 denotes H, F or Cl, R 3 denotes phenyl, naphthyl, pyridyl, pyrimidinyl, quinolinyl, isoquinolinyl, indolyl, indazolyl, thiophenyl, dihydroisoindolyl or benzimidazolyl, each of which is unsubstituted or mono-, di- or trisubstituted by Hal, CN, NO 2, A, (CR 4) n OR 4, (CR 4) n N(R 4) 2, (CR 4) n S m R 4, (CR 4) n CON(R 4)2, (CR 4) n COHet, (CR 4) n SO 2 N(R 4) 2, (CR 4) n SO 2 Het, (CR 4) n N(R 4) 2, (CR 4) n het, O(CR 4) n COHet, (CR 4) n O(CR 4) n Het, (CR 4) n N(R 4)(CR 4) n Het, (CR 4) n CON(R 4)(CR 4) n Het, (CR 4) n CON(R 4)(CR 4) n N(R 4) 2, (CR 4) n N(R 4)COA, (CR 4) n N(R 4)COHet', (CR 4) n OCyc and/or (CR 4) n COOR 4, R 4 denotes H or A', A denotes unbranched or branched alkyl with 1-10 C-atoms, wherein two adjacent carbon atoms may form a double bond and/or one or two non-adjacent CH- and/or CH 2 -groups may be replaced by N-, O- and/or S-atoms and wherein 1-7 H-atoms may be replaced by R 5, or cyclic alkyl having 3-7 C atoms, A' denotes unbranched or branched alkyl with 1-6 C-atoms, wherein one or two non-adjacent CH- and/or CH 2 -groups may be replaced by O-atoms, Cyc denotes cyclobutyl, cyclopentyl or cyclohexyl, each of which is unsubstituted or mono- or disubstituted by A, Hal, OR 4, N(R 4) 2, Het', (CR 4) n O(CR 4) n Het', CON(R 4) 2 and/or =O, R 5 denotes F, Cl or OH, Het denotes pyrrolidinyl, morpholinyl, piperidinyl, piperazinyl, [1,4]-diazepanyl, oxazolidinyl, hexahydro-pyrrolo[3,4-c]pyrrolyl, 2-oxa-6-aza-spiro[3.4]octanyl, 2-oxa-6-aza-spiro[3.5]nonanyl, 2-oxa-7-aza-spiro[3.5]nonanyl, 2,5-dioxa-8-aza-spiro[3.5]nonanyl, oxetanyl, 2-oxa-5-aza-spiro[3.4]octanyl, 2-oxa-6-azaspiro[3.3]heptanyl, 3-aza-bicyclo[3.1.0]hexanyl, 2-oxa-7-azaspiro[3.5]nonanyl, isoxazolidinyl, azetidinyl, 2,6-diazaspiro[3.4]octanyl, hexahydro-pyrrolo[3,4-b]pyrrolyl, tetrahydrofuranyl or isothiazolidinyl, each of which is unsubstituted or mono-, di- or trisubstituted by A, Hal, OR 4, OCOA, COA, (CR 4) n N(R 4) 2, (CR 4) n Het', (CR 4) n O(CR 4) n Het', CON(R 4) 2, COHet', (CR 4) n S m R 4, and/or =O, Het' denotes pyrrolidinyl, morpholinyl, piperidinyl, oxetanyl, tetrahydrofuranyl, tetrahydropyranyl, pyridyl, pyrazolyl or piperazinyl, each of which is unsubstituted or mono- or disubstituted by A, Hal, OR 4, N(R 4) 2 and/or =O, Hal denotes F, Cl, Br or I, n denotes 0, 1, 2 or 3, m denotes 0, 1 or 2, with the proviso that only one or two of X 1, X 2, X 3, X 4 may denote N, and pharmaceutically acceptable salts, tautomers and stereoisomers thereof, including mixtures thereof in all ratios. X 1, X 2, X 3, X 4 each, independently of one another, denote CH or N, Y denotes N or CH, Q denotes H or CH 3, R 1 denotes H, F, Cl, Br, CN, CH 3, CF 3 or OCH 3, R 2 denotes H, F or Cl, R 3 denotes phenyl, naphthyl, pyridyl, pyrimidinyl, quinolinyl, isoquinolinyl, indolyl, indazolyl, thiophenyl, dihydroisoindolyl or benzimidazolyl, each of which is unsubstituted or mono-, di- or trisubstituted by Hal, CN, NO 2, A, (CR 4) n OR 4, (CR 4) n N(R 4) 2, (CR 4) n S m R 4, (CR 4) n CON(R 4)2, (CR 4) n COHet, (CR 4) n SO 2 N(R 4) 2, (CR 4) n SO 2 Het, (CR 4) n N(R 4) 2, (CR 4) n het, O(CR 4) n COHet, (CR 4) n O(CR 4) n Het, (CR 4) n N(R 4)(CR 4) n Het, (CR 4) n CON(R 4)(CR 4) n Het, (CR 4) n CON(R 4)(CR 4) n N(R 4) 2, (CR 4) n N(R 4)COA, (CR 4) n N(R 4)COHet', (CR 4) n OCyc and/or (CR 4) n COOR 4, R 4 denotes H or A', A denotes unbranched or branched alkyl with 1-10 C-atoms, wherein two adjacent carbon atoms may form a double bond and/or one or two non-adjacent CH- and/or CH 2 -groups may be replaced by N-, O- and/or S-atoms and wherein 1-7 H-atoms may be replaced by R 5, or cyclic alkyl having 3-7 C atoms, A' denotes unbranched or branched alkyl with 1-6 C-atoms, wherein one or two non-adjacent CH- and/or CH 2 -groups may be replaced by O-atoms, Cyc denotes cyclobutyl, cyclopentyl or cyclohexyl, each of which is unsubstituted or mono- or disubstituted by A, Hal, OR 4, N(R 4) 2, Het', (CR 4) n O(CR 4) n Het', CON(R 4) 2 and/or =O, R 5 denotes F, Cl or OH, Het denotes pyrrolidinyl, morpholinyl, piperidinyl, piperazinyl, [1,4]-diazepanyl, oxazolidinyl, hexahydro-pyrrolo[3,4-c]pyrrolyl, 2-oxa-6-aza-spiro[3.4]octanyl, 2-oxa-6-aza-spiro[3.5]nonanyl, 2-oxa-7-aza-spiro[3.5]nonanyl, 2,5-dioxa-8-aza-spiro[3.5]nonanyl, oxetanyl, 2-oxa-5-aza-spiro[3.4]octanyl, 2-oxa-6-azaspiro[3.3]heptanyl, 3-aza-bicyclo[3.1.0]hexanyl, 2-oxa-7-azaspiro[3.5]nonanyl, isoxazolidinyl, azetidinyl, 2,6-diazaspiro[3.4]octanyl, hexahydro-pyrrolo[3,4-b]pyrrolyl, tetrahydrofuranyl or isothiazolidinyl, each of which is unsubstituted or mono-, di- or trisubstituted by A, Hal, OR 4, OCOA, COA, (CR 4) n N(R 4) 2, (CR 4) n Het', (CR 4) n O(CR 4) n Het', CON(R 4) 2, COHet', (CR 4) n S m R 4, and/or =O, Het' denotes pyrrolidinyl, morpholinyl, piperidinyl, oxetanyl, tetrahydrofuranyl, tetrahydropyranyl, pyridyl, pyrazolyl or piperazinyl, each of which is unsubstituted or mono- or disubstituted by A, Hal, OR 4, N(R 4) 2 and/or =O, Hal denotes F, Cl, Br or I, n denotes 0, 1, 2 or 3, m denotes 0, 1 or 2,