A compound of formula in which: R 1 represents a group C 1 -C 3 -haloalkoxy; R 4 represents a hydrogen atom; R 5 represents a hydrogen atom; R 6 represents a group selected from: -C(=O)OR 13, -C(=O)N(R 14)R 15, and -C(=O)N(R 14)S(=O) 2 R 16; R 7 represents a hydrogen atom or a halogen atom or a C 1 -C 3 -alkyl group; R 8 represents a C 1 -C 3 -alkyl group; R 9, R 10, and R 11 are independently of each other selected from: hydrogen and C 1 -C 3 -alkyl; R 12 represents a hydrogen atom; R 13 represents a hydrogen atom or a group selected from: C 1 -C 6 -alkyl, C 3 -C 6 -cycloalkyl, HO-(C 2 -C 6 -alkyl)-, and (C 1 -C 3 -alkoxy)-(C 2 -C 6 -alkyl)-; R 14 and R 15 are independently of each other selected from: hydrogen, C 1 -C 6 -alkyl, C 3 -C 6 -cycloalkyl, HO-(C 2 -C 6 -alkyl)-, (C 1 -C 3 -alkoxy)-(C 2 -C 6 -alkyl)-, C 1 -C 6 -haloalkyl, H 2 N-(C 2 -C 6 -alkyl)-, (C 1 -C 3 -alkyl)N (C 2 -C 6 -alkyl)-, (C 1 -C 3 -alkyl) 2 N(C 2 -C 6 -alkyl)-, R 13 OC(=O)-(C 1 -C 6 -alkyl)-, 4- to 6-membered heterocycloalkyl, phenyl, heteroaryl, phenyl-(C 1 -C 6 -alkyl)-, and heteroaryl-(C 1 -C 6 -alkyl)-; wherein phenyl and heteroaryl groups are optionally substituted with one or two substituents, which are independently of each other selected from: C 1 -C 3 -alkyl, C 3 -C 6 -cycloalkyl, C 1 -C 3 -alkoxy, C 3 -C 6 -cycloalkyloxy, C 1 -C 3 -haloalkyl, C 1 -C 3 -haloalkoxy, halogen, cyano, -C(=O)OR 13, and -C(=O)NH 2; and, wherein said 4-6-membered heterocycloalkyl group is optionally substituted with one substituent selected from: C 1 -C 3 -alkyl, C 1 -C 3 -haloalkyl, C 1 -C 3 -alkoxy, C 1 -C 3 -haloalkoxy, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkyloxy, amino, hydroxy, halogen, and cyano; or said 4-6-membered heterocycloalkyl group is optionally substituted with one or two halogen atoms; or R 14 and R 15 together with the nitrogen atom to which they are attached form a 4-6-membered heterocycloalkyl; said 4-6-membered heterocycloalkyl being optionally substituted with one substituent selected from: C 1 -C 3 -alkyl, C 1 -C 3 -haloalkyl, C 1 -C 3 -alkoxy, C 1 -C 3 -haloalkoxy, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkyloxy, amino, hydroxy, halogen, and cyano; or said 4-6-membered heterocycloalkyl being optionally substituted with one or two halogen atoms; R 16 represents a hydrogen atom or a group C 1 -C 6 -alkyl, or a stereoisomer, a tautomer, an N-oxide, a hydrate, a solvate, or a salt thereof, or a mixture of same. R 1 represents a group C 1 -C 3 -haloalkoxy; R 4 represents a hydrogen atom; R 5 represents a hydrogen atom; R 6 represents a group selected from: -C(=O)OR 13, -C(=O)N(R 14)R 15, and -C(=O)N(R 14)S(=O) 2 R 16; R 7 represents a hydrogen atom or a halogen atom or a C 1 -C 3 -alkyl group; R 8 represents a C 1 -C 3 -alkyl group; R 9, R 10, and R 11 are independently of each other selected from: hydrogen and C 1 -C 3 -alkyl; R 12 represents a hydrogen atom; R 13 represents a hydrogen atom or a group selected from: C 1 -C 6 -alkyl, C 3 -C 6 -cycloalkyl, HO-(C 2 -C 6 -alkyl)-, and (C 1 -C 3 -alkoxy)-(C 2 -C 6 -alkyl)-; R 14 and R 15 are independently of each other selected from: hydrogen, C 1 -C 6 -alkyl, C 3 -C 6 -cycloalkyl, HO-(C 2 -C 6 -alkyl)-, (C 1 -C 3 -alkoxy)-(C 2 -C 6 -alkyl)-, C 1 -C 6 -haloalkyl, H 2 N-(C 2 -C 6 -alkyl)-, (C 1 -C 3 -alkyl)N (C 2 -C 6 -alkyl)-, (C 1 -C 3 -alkyl) 2 N(C 2 -C 6 -alkyl)-, R 13 OC(=O)-(C 1 -C 6 -alkyl)-, 4- to 6-membered heterocycloalkyl, phenyl, heteroaryl, phenyl-(C 1 -C 6 -alkyl)-, and heteroaryl-(C 1 -C 6 -alkyl)-; wherein phenyl and heteroaryl groups are optionally substituted with one or two substituents, which are independently of each other selected from: C 1 -C 3 -alkyl, C 3 -C 6 -cycloalkyl, C 1 -C 3 -alkoxy, C 3 -C 6 -cycloalkyloxy, C 1 -C 3 -haloalkyl, C 1 -C 3 -haloalkoxy, halogen, cyano, -C(=O)OR 13, and -C(=O)NH 2; and, wherein said 4-6-membered heterocycloalkyl group is optionally substituted with one substituent selected from: C 1 -C 3 -alkyl, C 1 -C 3 -haloalkyl, C 1 -C 3 -alkoxy, C 1 -C 3 -haloalkoxy, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkyloxy, amino, hydroxy, halogen, and cyano; or said 4-6-membered heterocycloalkyl group is optionally substituted with one or two halogen atoms; or R 14 and R 15 together with the nitrogen atom to which they are attached form a 4-6-membered heterocycloalkyl; said 4-6-membered heterocycloalkyl being optionally substituted with one substituent selected from: C 1 -C 3 -alkyl, C 1 -C 3 -haloalkyl, C 1 -C 3 -alkoxy, C 1 -C 3 -haloalkoxy, C 3 -C 6 -cycloalkyl, C 3 -C 6 -cycloalkyloxy, amino, hydroxy, halogen, and cyano; or said 4-6-membered heterocycloalkyl being optionally substituted with one or two halogen atoms; R 16 represents a hydrogen atom or a group C 1 -C 6 -alkyl,