Compounds of the formula I in which L is R1, -CH; R10, R11 are each independently H, F, Cl, Br, I, OH, CF 3, CHF 3, CH 2 F, NO z, CN, OCF 3, OCHF 2, O-(C 1 -C 6)-alkyl, (C 1 -C 6)-alkyl, NH 2, NH(C 1 -C 6)-alkyl, N((C 1 -C 6)-alkyl) z, COOH, COO-(C 1 -C 6)-alkyl, CONH 2, CONH(C 1 -C 6) -alkyl, CON((C 1 -C 6)-alkyl) 2, SF 5, (C 1 -C 6)-alkylene- (C 3 -C 8)-cycloalkylene-, (C 1 -C 6)-alkylene-(C 3 -C 8)-cycloalkylene-, (C 6 -C 10)-aryl, (C 1 -C 6)-alkylene-(C 6 -C 10)-aryl, -(C 6 -C 10)-heteroaryl, (C 1 -C 6)-alkylene-(C 6 -C 10)-heteroaryl; where the aryl radical or heteroaryl radical may be mono- to trisubstituted by F, Cl, Br, I, OH, CF 3, CHF 2, CH 2 F, NO 2, CN, OCF 3, OCHF 3, O-(C 1 -C 6)-alkyl, (C 1 -C 6)-alkyl, NH 2, NH(C 1 -C 6)-alkyl, N((C 1 -C 6)-alkyl) 2, SO 2 -CH 3, SO 2 -NH 2, SO 2 -NH(C 1 -C 6)-alkyl, SO 2 -N((C 1 -C 6)-alkyl) 2, COOH, COO-(C 1 -C 6)-alkyl, CONH 2, CONH(C 1 -C 6)-alkyl, CON((C 1 -C 6)-alkyl) 2, SF 5; R6 is OH, CF 3, CHF 2, CH 2 F, NO 2, CN, OCF 3, OCHF 2, O-(C 1 -C 6)-alkyl, (C 1 -C 6)-alkyl, NH 2, NH(C 1 -C 6)-alkyl, N((C 1 -C 6)-alkyl) 2, SO 2 -CH 3, SO 2 -NH 2, SO 2 -NH(C 1 -C 6)-alkyl, SO 2 -N((C 1 -C 6)-alkyl) 2, COOH, COO-(C 1 -C 6)-alkyl, CONH 2, CONH(C 1 -C 6)-alkyl, CON((C 1 -C 6)-alkyl) 2, 5F 5; R1 is (C 6 -C 10)-aryl, (C 3 -C 8)-carbocyclyl, where the aryl radical or carbocyclyl radical may be mono- to trisubstituted by F, Cl, Br, I, OH, CF 3, CHF 2, CH 2 F, NO 2, CN, OCF 3, OCHF 2, O-(C 1 -C 6)-alkyl, (C 1 -C 6)-alkyl, NH 2, NH(C 1 -C 6) -alkyl, N((C 1 -C 6)-alkyl) 2, SO 2 -CH 3, SO 2 -NH 2 SO 2 -NH(C 1 -C 6)-alkyl, SO 2 -N((C 1 -C 6)-alkyl) 2, COOH, COO-(C 1 -C 6)-alkyl, CONH 2, CONH(C 1 -C 6)-alkyl, CON((C 1 -C 6)-alkyl) 2, SF 5; R2, R3, R4, R5 are each independently (C 1 -C 6)-alkyl, CF 3, CHF 2, CH 2 F, (C 1 -C 6)-alkylene-OH, (C 1 -C 6)-alkylene-O-(C 1 -C 6)-alkyl, (C 6 -C 10)-aryl, (C 1 -C 6)-alkylene-O-(C 6 -C 10)-aryl, or R2 and R3, or R4 and R5, together with the carbon atom to which they are bonded form a 3-8-membered saturated carbocyclic or heterocyclic ring which may contain up to 2 further heteroatoms from the group of N, 0 and S; and pharmaceutically acceptable salts thereof. L is R1, -CH; R10, R11 are each independently H, F, Cl, Br, I, OH, CF 3, CHF 3, CH 2 F, NO z, CN, OCF 3, OCHF 2, O-(C 1 -C 6)-alkyl, (C 1 -C 6)-alkyl, NH 2, NH(C 1 -C 6)-alkyl, N((C 1 -C 6)-alkyl) z, COOH, COO-(C 1 -C 6)-alkyl, CONH 2, CONH(C 1 -C 6) -alkyl, CON((C 1 -C 6)-alkyl) 2, SF 5, (C 1 -C 6)-alkylene- (C 3 -C 8)-cycloalkylene-, (C 1 -C 6)-alkylene-(C 3 -C 8)-cycloalkylene-, (C 6 -C 10)-aryl, (C 1 -C 6)-alkylene-(C 6 -C 10)-aryl, -(C 6 -C 10)-heteroaryl, (C 1 -C 6)-alkylene-(C 6 -C 10)-heteroaryl; where the aryl radical or heteroaryl radical may be mono- to trisubstituted by F, Cl, Br, I, OH, CF 3, CHF 2, CH 2 F, NO 2, CN, OCF 3, OCHF 3, O-(C 1 -C 6)-alkyl, (C 1 -C 6)-alkyl, NH 2, NH(C 1 -C 6)-alkyl, N((C 1 -C 6)-alkyl) 2, SO 2 -CH 3, SO 2 -NH 2, SO 2 -NH(C 1 -C 6)-alkyl, SO 2 -N((C 1 -C 6)-alkyl) 2, COOH, COO-(C 1 -C 6)-alkyl, CONH 2, CONH(C 1 -C 6)-alkyl, CON((C 1 -C 6)-alkyl) 2, SF 5; R6 is OH, CF 3, CHF 2, CH 2 F, NO 2, CN, OCF 3, OCHF 2, O-(C 1 -C 6)-alkyl, (C 1 -C 6)-alkyl, NH 2, NH(C 1 -C 6)-alkyl, N((C 1 -C 6)-alkyl) 2, SO 2 -CH 3, SO 2 -NH 2, SO 2 -NH(C 1 -C 6)-alkyl, SO 2 -N((C 1 -C 6)-alkyl) 2, COOH, COO-(C 1 -C 6)-alkyl, CONH 2, CONH(C 1 -C 6)-alkyl, CON((C 1 -C 6)-alkyl) 2, 5F 5; R1 is (C 6 -C 10)-aryl, (C 3 -C 8)-carbocyclyl, where the aryl radical or carbocyclyl radical may be mono- to trisubstituted by F, Cl, Br, I, OH, CF 3, CHF 2, CH 2 F, NO 2, CN, OCF 3, OCHF 2, O-(C 1 -C 6)-alkyl, (C 1 -C 6)-alkyl, NH 2, NH(C 1 -C 6) -alkyl, N((C 1 -C 6)-alkyl) 2, SO 2 -CH 3, SO 2 -NH 2 SO 2 -NH(C 1 -C 6)-alkyl, SO 2 -N((C 1 -C 6)-alkyl) 2, COOH, COO-(C 1 -C 6)-alkyl, CONH 2, CONH(C 1 -C 6)-alkyl, CON((C 1 -C 6)-alkyl) 2, SF 5; R2, R3, R4, R5 are each independently (C 1 -C 6)-alkyl, CF 3, CHF 2, CH 2 F, (C 1 -C 6)-alkylene-OH, (C 1 -C 6)-alkylene-O-(C 1 -C 6)-alkyl, (C 6 -C 10)-aryl, (C 1 -C 6)-alkylene-O-(C 6 -C 10)-aryl, or R2 and R3, or R4 and R5, together with the carbon atom to which they are bonded form a 3-8-membered saturated carbocyclic or heterocyclic ring which may contain up to 2 further heteroatoms from the group of N, 0 and S;