A compound of formula in which: A represents a group selected from: X represents N, C-H, C-F, C-Cl, or C-Me; Y represents N or C-R 4a; Z represents N or C-R 4b, wherein none or one of X, Y, and Z represents N; R 1a represents hydrogen or fluoro; R 1b represents hydrogen or halogen; R 1c represents hydrogen or fluoro; R 1d represents hydrogen or halogen; R 1e represents hydrogen or halogen; R 1f represents hydrogen or fluoro; R 1g represents hydrogen or fluoro; R 2 represents hydrogen, halogen, methoxy, cyano, C 1 -C 3 -alkyl, or C 1 -C 3 -alkoxy-C 1 -C 3 -alkyl-; R 3 represents phenyl, wherein said phenyl is independently optionally substituted, one or more times, with halogen, methyl, methoxy, C 1 -C 2 -haloalkyl, or C 1 -C 2 -haloalkoxy; R 4a represents hydrogen, halogen, C 1 -C 3 -alkyl, C 2 -C 3 -alkenyl, methoxy, difluoromethoxy, trifluoromethoxy, C 3 -C 4 -cycloalkyl, 4- to 5-membered heterocycloalkyl, cyclopropyloxy, 4- to 5-membered heterocycloalkyl-O-, or R 5a R 6a N-, wherein said 4- to 5-membered heterocycloalkyl and 4- to 5-membered heterocycloalkyl-O- are optionally substituted, one or two times, with methyl; R 4b represents hydrogen, halogen, C 1 -C 4 -alkyl, C 2 -C 4 -alkenyl, C 1 -C 3 -haloalkyl-CH 2 -, C 1 -C 3 -alkoxy, C 1 -C 3 -haloalkoxy, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkyl-C 1 -C 4 -alkyl, C 3 -C 6 -cycloalkyl-O-, C 3 -C 6 -cycloalkyl-CH 2 -O-, piperazin-1-yl, morpholin-4-yl, 3- to 6-membered heterocycloalkyl connected via a carbon atom thereof,pyrrolidin-2-one, piperidin-2-one, morpholin-3-one, 4-methylpiperazin-2-one, 3- to 6-membered heterocycloalkyl-O-, 3- to 6-membered heterocycloalkyl-CH 2 -O-, Ci-Cs-alkoxy-Ci-Cs-alkyl-, C 1 -C 3 -alkoxy-C 2 -C 3 -alkoxy-, C 1 -C 4 -hydroxyalkyl, C 1 -C 4 -hydroxyalkyl-O-, or 3- to 6-membered heterocycloalkyl-C 1 -C 3 -alkyl-, wherein said C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkyl-C 1 -C 4 -alkyl, C 3 -C 6 -cycloalkyl-O-, C 3 -C 6 -cycloalkyl-CH 2 -O-, 3- to 6-membered heterocycloalkyl, pyrrolidin-2-one, piperidin-2-one, morpholin-3-one, 4-methylpiperazin-2-one, 3- to 6-membered heterocycloalkyl-O-, 3- to 6-membered heterocycloalkyl-CH 2 -O-, piperazin-1-yl, morpholin-4-yl, Ci-Cs-alkoxy-Ci-Cs-alkyl-, C 1 -C 3 -alkoxy-C 2 -C 3 -alkoxy-, C 1 -C 4 -hydroxyalkyl, C 1 -C 4 -hydroxyalkyl-O- and 3- to 6-membered heterocycloalkyl-C 1 -C 3 -alkyl groups are optionally substituted, one, two or three times, with halogen, methyl, methoxy, or trifluoromethoxy; R 5a represents hydrogen, methyl, cyclopropyl, methoxyethyl, or 3- to 5-membered heterocycloalkyl; R 6a represents hydrogen or methyl, or R 5a and R 6a, together with the nitrogen atom to which they are attached, represent a 4- to 5-membered heterocyclic ring, wherein said heterocyclic ring is optionally substituted, one or two times, with methyl; or an N-oxide, a salt, a tautomer or a stereoisomer of said compound, or a salt of said N-oxide, tautomer or stereoisomer. A represents a group selected from: X represents N, C-H, C-F, C-Cl, or C-Me; Y represents N or C-R 4a; Z represents N or C-R 4b, wherein none or one of X, Y, and Z represents N; R 1a represents hydrogen or fluoro; R 1b represents hydrogen or halogen; R 1c represents hydrogen or fluoro; R 1d represents hydrogen or halogen; R 1e represents hydrogen or halogen; R 1f represents hydrogen or fluoro; R 1g represents hydrogen or fluoro; R 2 represents hydrogen, halogen, methoxy, cyano, C 1 -C 3 -alkyl, or C 1 -C 3 -alkoxy-C 1 -C 3 -alkyl-; R 3 represents phenyl, wherein said phenyl is independently optionally substituted, one or more times, with halogen, methyl, methoxy, C 1 -C 2 -haloalkyl, or C 1 -C 2 -haloalkoxy; R 4a represents hydrogen, halogen, C 1 -C 3 -alkyl, C 2 -C 3 -alkenyl, methoxy, difluoromethoxy, trifluoromethoxy, C 3 -C 4 -cycloalkyl, 4- to 5-membered heterocycloalkyl, cyclopropyloxy, 4- to 5-membered heterocycloalkyl-O-, or R 5a R 6a N-, wherein said 4- to 5-membered heterocycloalkyl and 4- to 5-membered heterocycloalkyl-O- are optionally substituted, one or two times, with methyl; R 4b represents hydrogen, halogen, C 1 -C 4 -alkyl, C 2 -C 4 -alkenyl, C 1 -C 3 -haloalkyl-CH 2 -, C 1 -C 3 -alkoxy, C 1 -C 3 -haloalkoxy, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkyl-C 1 -C 4 -alkyl, C 3 -C 6 -cycloalkyl-O-, C 3 -C 6 -cycloalkyl-CH 2 -O-, piperazin-1-yl, morpholin-4-yl, 3- to 6-membered heterocycloalkyl connected via a carbon atom thereof,pyrrolidin-2-one, piperidin-2-one, morpholin-3-one, 4-methylpiperazin-2-one, 3- to 6-membered heterocycloalkyl-O-, 3- to 6-membered heterocycloalkyl-CH 2 -O-, Ci-Cs-alkoxy-Ci-Cs-alkyl-, C 1 -C 3 -alkoxy-C 2 -C 3 -alkoxy-, C 1 -C 4 -hydroxyalkyl, C 1 -C 4 -hydroxyalkyl-O-, or 3- to 6-membered heterocycloalkyl-C 1 -C 3 -alkyl-, wherein said C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkyl-C 1 -C 4 -alkyl, C 3 -C 6 -cycloalkyl-O-, C 3 -C 6 -cycloalkyl-CH 2 -O-, 3- to 6-membered heterocycloalkyl, pyrrolidin-2-one, piperidin-2-one, morpholin-3-one, 4-methylpiperazin-2-one, 3- to 6-membered heterocycloalkyl-O-, 3- to 6-membered heterocycloalkyl-CH 2 -O-, piperazin-1-yl, morpholin-4-yl, Ci-Cs-alkoxy-Ci-Cs-alkyl-, C 1 -C 3 -alkoxy-C 2 -C 3 -alkoxy-, C 1 -C 4 -hydroxyalkyl, C 1 -C 4 -hydroxyalkyl-O- and 3- to 6-membered heterocycloalkyl-C 1 -C 3 -alkyl groups are optionally substituted, one, two or three times, with halogen, methyl, methoxy, or trifluoromethoxy; R 5a represents hydrogen, methyl, cyclopropyl, methoxyethyl, or 3- to 5-membered heterocycloalkyl; R 6a represents hydrogen or methyl, or R 5a and R 6a, together with the nitrogen atom to which they are attached, represent a 4- to 5-membered heterocyclic ring, wherein said heterocyclic ring is optionally substituted, one or two times, with methyl;