Compound of the formula in which n represents the number 1, R 1 represents hydrogen or methyl and A represents a group of the formula in which * denotes the respective point of attachment to the remainder of the molecule, L 1 represents straight-chain (C 1 -C 5)-alkanediyl which may be mono- or disubstituted by methyl and mono- or disubstituted by fluorine, Z represents hydrogen, fluorine, cyano, trifluoromethyl or a group of the formula in which ** denotes the point of attachment to group L 1, x represents the number 1, 2 or 3, where one of these CH 2 groups may be replaced by -O-, and R 5A and R 5B independently of one another represent hydrogen or methyl, L 2 represents a bond or straight-chain (C 1 -C 5)-alkanediyl, Ar represents phenyl or 5- or 6-membered heteroaryl having up to three ring heteroatoms from the group consisting of N, O and S, R 2 represents a substituent selected from the group consisting of fluorine, chlorine, bromine, cyano, (C 1 -C 4)-alkyl, trifluoromethyl, (C 1 -C 4)-alkoxy and trifluoromethoxy, p represents the number 0, 1 or 2, where, if the substituent R 2 occurs twice, its individual meanings may be identical or different, L 3 represents a bond, -O-, -CH 2 -, -CH 2 -CH 2 - or -CH=CH- and R 3 and R 4 independently of one another represent hydrogen or a substituent selected from the group consisting of fluorine, chlorine, bromine, cyano, (C 1 -C 4)-alkyl, trifluoromethyl, (C 1 -C 4)-alkoxy and trifluoromethoxy, and the salts, solvates and solvates of the salts thereof.. n represents the number 1, R 1 represents hydrogen or methyl A represents a group of the formula in which * denotes the respective point of attachment to the remainder of the molecule, L 1 represents straight-chain (C 1 -C 5)-alkanediyl which may be mono- or disubstituted by methyl and mono- or disubstituted by fluorine, Z represents hydrogen, fluorine, cyano, trifluoromethyl or a group of the formula in which ** denotes the point of attachment to group L 1, x represents the number 1, 2 or 3, where one of these CH 2 groups may be replaced by -O-, and R 5A and R 5B independently of one another represent hydrogen or methyl, * denotes the respective point of attachment to the remainder of the molecule, L 1 represents straight-chain (C 1 -C 5)-alkanediyl which may be mono- or disubstituted by methyl and mono- or disubstituted by fluorine, Z represents hydrogen, fluorine, cyano, trifluoromethyl or a group of the formula in which ** denotes the point of attachment to group L 1, x represents the number 1, 2 or 3, where one of these CH 2 groups may be replaced by -O-, and R 5A and R 5B independently of one another represent hydrogen or methyl, ** denotes the point of attachment to group L 1, x represents the number 1, 2 or 3, where one of these CH 2 groups may be replaced by -O-, R 5A and R 5B independently of one another represent hydrogen or methyl, L 2 represents a bond or straight-chain (C 1 -C 5)-alkanediyl, Ar represents phenyl or 5- or 6-membered heteroaryl having up to three ring heteroatoms from the group consisting of N, O and S, R 2 represents a substituent selected from the group consisting of fluorine, chlorine, bromine, cyano, (C 1 -C 4)-alkyl, trifluoromethyl, (C 1 -C 4)-alkoxy and trifluoromethoxy, p represents the number 0, 1 or 2, where, if the substituent R 2 occurs twice, its individual meanings may be identical or different, L 3 represents a bond, -O-, -CH 2 -, -CH 2 -CH 2 - or -CH=CH- R 3 and R 4 independently of one another represent hydrogen or a substituent selected from the group consisting of fluorine, chlorine, bromine, cyano, (C 1 -C 4)-alkyl, trifluoromethyl, (C 1 -C 4)-alkoxy and trifluoromethoxy,