Compounds of the formula I in which X 1 denotes CR 1 or N, X 2 denotes CR 1 or N, where X 1 or X 2 denotes N and the respective other denotes CR 1, Y denotes Het or Ar, L denotes [C(R a) 2]m, R 1, R 2, R 3, R 4 denote H, R 5 denotes H or A', R 6, R 9, R 10 denote H, R 7 denotes H or A"', R 8 denotes H, A", Het 1, CN, Hal, NHHet 1 or NA'Het 1, A denotes unbranched or branched alkyl having 1-10 C atoms, in which 1-7 H atoms may be replaced by F and/or Cl, or cyclic alkyl having 3-7 C atoms, A' denotes unbranched or branched alkyl having 1-6 C atoms, in which 1-5 H atoms may be replaced by F and/or Cl, A" denotes unbranched or branched alkyl having 1-10 C atoms, in which 1-7 H atoms may be replaced by OH, CN, NH 2, CONH 2, COOH, COOA, NHCOA, -C=H, F, Cl and/or Br, and/or in which one or two non-adjacent CH and/or CH 2 groups may be replaced by O, NH, NA', S, SO, SO 2 and/or CH=CH groups, A"' denotes unbranched or branched alkyl having 1-10 C atoms, in which 1-7 H atoms may be replaced by F and/or Cl, and/or in which one or two non-adjacent CH and/or CH 2 groups may be replaced by O, NH and/or NA', R a denotes H or A', Het denotes pyridinyl, pyrimidinyl, furyl, thienyl, oxazolyl, oxadiazolyl, imidazolyl, pyrrolyl, isoxazolyl, benzodioxolyl, dihydrobenzofuranyl, dihydrobenzodioxinyl, benzofuranyl, benzodioxanyl, indolyl, quinolinyl, isoquinolinyl, benzimidazolyl, benzothiadiazolyl, indazolyl, dihydrobenzimidazolyl, dihydroindolyl, imidazopyridinyl, pyrrolopyridinyl, pyrazolopyridinyl, 2,3-dihydropyrrolopyridinyl or tetrahydronaphthyridinyl, where the radicals may also be mono-, di- or trisubstituted by A, (CH 2) n NH 2, (CH 2) n NHA, (CH 2) n NA 2, NHCOA, (CH 2) n CONH 2, (CH 2)nCONHA, (CH 2) n CONA 2, CN, =O, Hal, (CH 2) n OH, (CH 2) n OA, COOH and/or COOA, Ar denotes phenyl which is unsubstituted or mono-, di- or trisubstituted by (CH 2) n OH and/or (CH 2) n OA, Het 1 denotes piperidinyl, pyrrolidinyl, morpholinyl, piperazinyl, oxazolidinyl, tetrahydrothienyl, tetrahydropyranyl or thiomorpholinyl, where the radicals may also be mono- or disubstituted by =O, NH 2, pyridylmethyl and/or A, Hal denotes F, Cl, Br or I, m denotes 0 or 1, n denotes 0, 1, 2, 3 or 4, and pharmaceutically usable salts, tautomers and stereoisomers thereof, including mixtures thereof in all ratios. X 1 denotes CR 1 or N, X 2 denotes CR 1 or N, where X 1 or X 2 denotes N and the respective other denotes CR 1, Y denotes Het or Ar, L denotes [C(R a) 2]m, R 1, R 2, R 3, R 4 denote H, R 5 denotes H or A', R 6, R 9, R 10 denote H, R 7 denotes H or A"', R 8 denotes H, A", Het 1, CN, Hal, NHHet 1 or NA'Het 1, A denotes unbranched or branched alkyl having 1-10 C atoms, in which 1-7 H atoms may be replaced by F and/or Cl, or cyclic alkyl having 3-7 C atoms, A' denotes unbranched or branched alkyl having 1-6 C atoms, in which 1-5 H atoms may be replaced by F and/or Cl, A" denotes unbranched or branched alkyl having 1-10 C atoms, in which 1-7 H atoms may be replaced by OH, CN, NH 2, CONH 2, COOH, COOA, NHCOA, -C=H, F, Cl and/or Br, and/or in which one or two non-adjacent CH and/or CH 2 groups may be replaced by O, NH, NA', S, SO, SO 2 and/or CH=CH groups, A"' denotes unbranched or branched alkyl having 1-10 C atoms, in which 1-7 H atoms may be replaced by F and/or Cl, and/or in which one or two non-adjacent CH and/or CH 2 groups may be replaced by O, NH and/or NA', R a denotes H or A', Het denotes pyridinyl, pyrimidinyl, furyl, thienyl, oxazolyl, oxadiazolyl, imidazolyl, pyrrolyl, isoxazolyl, benzodioxolyl, dihydrobenzofuranyl, dihydrobenzodioxinyl, benzofuranyl, benzodioxanyl, indolyl, quinolinyl, isoquinolinyl, benzimidazolyl, benzothiadiazolyl, indazolyl, dihydrobenzimidazolyl, dihydroindolyl, imidazopyridinyl, pyrrolopyridinyl, pyrazolopyridinyl, 2,3-dihydropyrrolopyridinyl or tetrahydronaphthyridinyl, where the radicals may also be mono-, di- or trisubstituted by A, (CH 2) n NH 2, (CH 2) n NHA, (CH 2) n NA 2, NHCOA, (CH 2) n CONH 2, (CH 2)nCONHA, (CH 2) n CONA 2, CN, =O, Hal, (CH 2) n OH, (CH 2) n OA, COOH and/or COOA, Ar denotes phenyl which is unsubstituted or mono-, di- or trisubstituted by (CH 2) n OH and/or (CH 2) n OA, Het 1 denotes piperidinyl, pyrrolidinyl, morpholinyl, piperazinyl, oxazolidinyl, tetrahydrothienyl, tetrahydropyranyl or thiomorpholinyl, where the radicals may also be mono- or disubstituted by =O, NH 2, pyridylmethyl and/or A, Hal denotes F, Cl, Br or I, m denotes 0 or 1, n denotes 0, 1, 2, 3 or 4,