A compound of formula wherein R1, R3 denote each, independently of one another H, (CH 2) p CON 2, OA, Hal, COOH, COOA, (CH 2) p NHCOA, (CH 2) p Het1, (CH 2) p NR2R5, or OH; R2 denotes H or linear or branched alkyl with 1, 2 or 3 C atoms, wherein one or two H atoms of the alkyl group may be replaced by OR6, NR5R6, NHCOR5, CONR5R6; R4 denotes H or methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl, pentyl, 1-, 2- or 3-methylbutyl, 1,1-, 1,2- or 2,2-dimethyl-propyl, 1-ethylpropyl, hexyl, 1-, 2-, 3- or 4-methylpentyl, 1,1-, 1,2-, 1,3-, 2,2-, 2,3- or 3,3-dimethylbutyl, 1- or 2-ethylbutyl, 1-ethyl-1-methylpropyl, 1-ethyl-2-methylpropyl, 1,1,2- or 1,2,2-trimethylpropyl, trifluoromethyl; R5 denotes H or linear or branched alkyl with 1, 2 or 3 C atoms; R6 denotes H or linear or branched alkyl with 1, 2 or 3 C atoms; Z is absent or denotes Ar-diyl or Het-diyl; L denotes (CH 2) n wherein one or two CH 2 groups may be replaced by O and/or a CH=CH-group, and/or wherein one or two H atoms may be replaced by OR2, NR2R5 or Het1; Ar-diyl denotes 1,2-, 1,3- or 1,4-phenylen optionally substituted with from 1 to 5 groups independently selected from Hal, CN, -CF 3, -OCF 3, OH, O-A, SO 2 -A, COOH, COOA, -CO-A, O-phenyl, SO 2 -phenyl, SO 2 -CF 3, Het2 and/or A; Het-diyl denotes an unsaturated, saturated or aromatic 5- or 6-membered heterocycle having 1 to 2 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, CN, -CF 3, -OCF 3, O-A, SO 2 -A, COOH, COOA, -CO-A, O-phenyl, SO 2 -phenyl, SO 2 -CF 3, Het2 and/or A; A denotes an unbranched or branched alkyl having 1 to 10 C atoms, in which 1 to 5 H atoms may be replaced by F and/or in which one or two non-adjacent CH 2 groups may be replaced by O; Het1 denotes morpholinyl, piperidinyl or pyrrolidinyl; Het2 denotes morpholinyl, piperidinyl or pyrrolidinyl; Hal denotes F, Cl, Br, I; n denotes 1, 2, 3, 4, 5 or 6; p denotes 0, 1 or 2; and pharmaceutically usable tautomers, solvates, salts and stereoisomers thereof, including mixtures thereof in all ratios. R1, R3 denote each, independently of one another H, (CH 2) p CON 2, OA, Hal, COOH, COOA, (CH 2) p NHCOA, (CH 2) p Het1, (CH 2) p NR2R5, or OH; R2 denotes H or linear or branched alkyl with 1, 2 or 3 C atoms, wherein one or two H atoms of the alkyl group may be replaced by OR6, NR5R6, NHCOR5, CONR5R6; R4 denotes H or methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl, pentyl, 1-, 2- or 3-methylbutyl, 1,1-, 1,2- or 2,2-dimethyl-propyl, 1-ethylpropyl, hexyl, 1-, 2-, 3- or 4-methylpentyl, 1,1-, 1,2-, 1,3-, 2,2-, 2,3- or 3,3-dimethylbutyl, 1- or 2-ethylbutyl, 1-ethyl-1-methylpropyl, 1-ethyl-2-methylpropyl, 1,1,2- or 1,2,2-trimethylpropyl, trifluoromethyl; R5 denotes H or linear or branched alkyl with 1, 2 or 3 C atoms; R6 denotes H or linear or branched alkyl with 1, 2 or 3 C atoms; Z is absent or denotes Ar-diyl or Het-diyl; L denotes (CH 2) n wherein one or two CH 2 groups may be replaced by O and/or a CH=CH-group, and/or wherein one or two H atoms may be replaced by OR2, NR2R5 or Het1; Ar-diyl denotes 1,2-, 1,3- or 1,4-phenylen optionally substituted with from 1 to 5 groups independently selected from Hal, CN, -CF 3, -OCF 3, OH, O-A, SO 2 -A, COOH, COOA, -CO-A, O-phenyl, SO 2 -phenyl, SO 2 -CF 3, Het2 and/or A; Het-diyl denotes an unsaturated, saturated or aromatic 5- or 6-membered heterocycle having 1 to 2 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, CN, -CF 3, -OCF 3, O-A, SO 2 -A, COOH, COOA, -CO-A, O-phenyl, SO 2 -phenyl, SO 2 -CF 3, Het2 and/or A; A denotes an unbranched or branched alkyl having 1 to 10 C atoms, in which 1 to 5 H atoms may be replaced by F and/or in which one or two non-adjacent CH 2 groups may be replaced by O; Het1 denotes morpholinyl, piperidinyl or pyrrolidinyl; Het2 denotes morpholinyl, piperidinyl or pyrrolidinyl; Hal denotes F, Cl, Br, I; n denotes 1, 2, 3, 4, 5 or 6; p denotes 0, 1 or 2;