A compound of formula wherein ring A is selected from the group consisting of: R 1 is selected from the group consisting of H, F, Cl, Br, CN, -OH, C 1-4 -alkyl, -O-(C 1-4 -alkyl), -(CH 2) m -COOH, -(CH 2) m -C(=O)-O-(C 1-4 -alkyl), -(CH 2) m -C(=O)-heterocyclyl, -(CH 2) m -C(=O)-NH 2, -(CH 2) m -C(=O)-NH-(C 1-4 -alkyl), -(CH 2) m -C(=O)-N(C 1-4 -alkyl) 2, -C(=O)-NH-C 3-6 -cycloalkyl, -C(=O)-NH-heterocyclyl, -(CH 2) m -NH-C(=O)-(C 1-3 -alkyl), -N(C 1-3 -alkyl)-C(=O)-(C 1-4 -alkyl), -N(C 1-3 -alkyl)-C(=O)-NH 2, -NH-C(=O)-NH-(C 1-4 -alkyl), heterocyclyl and phenyl, wherein each alkyl group or sub-group is optionally substituted with 1 or more F atoms or with one OH or -O-(C 1-3 -alkyl) group; and wherein each heterocyclyl is selected from the group consisting of azetidinyl, imidazolidinyl, piperidinyl, tetrahydropyranyl and morpholinyl and is optionally substituted with one or two groups independently selected from the group consisting of OH, oxo, C 1-3 -alkyl, -C(=O)-CH 3 and -C(=O)-cyclopropyl; and wherein multiple R 1 may be identical or different, if n is 2; and n is an integer selected from 1 and 2; and m is an integer selected from 0, 1 and 2; and wherein in any definition mentioned hereinbefore, if not specified otherwise, any alkyl group or sub-group may be straight-chained or branched and is optionally substituted with 1 or more F atoms; or a salt thereof. ring A is selected from the group consisting of: R 1 is selected from the group consisting of H, F, Cl, Br, CN, -OH, C 1-4 -alkyl, -O-(C 1-4 -alkyl), -(CH 2) m -COOH, -(CH 2) m -C(=O)-O-(C 1-4 -alkyl), -(CH 2) m -C(=O)-heterocyclyl, -(CH 2) m -C(=O)-NH 2, -(CH 2) m -C(=O)-NH-(C 1-4 -alkyl), -(CH 2) m -C(=O)-N(C 1-4 -alkyl) 2, -C(=O)-NH-C 3-6 -cycloalkyl, -C(=O)-NH-heterocyclyl, -(CH 2) m -NH-C(=O)-(C 1-3 -alkyl), -N(C 1-3 -alkyl)-C(=O)-(C 1-4 -alkyl), -N(C 1-3 -alkyl)-C(=O)-NH 2, -NH-C(=O)-NH-(C 1-4 -alkyl), heterocyclyl and phenyl, wherein each alkyl group or sub-group is optionally substituted with 1 or more F atoms or with one OH or -O-(C 1-3 -alkyl) group; and wherein each heterocyclyl is selected from the group consisting of azetidinyl, imidazolidinyl, piperidinyl, tetrahydropyranyl and morpholinyl and is optionally substituted with one or two groups independently selected from the group consisting of OH, oxo, C 1-3 -alkyl, -C(=O)-CH 3 and -C(=O)-cyclopropyl; and wherein multiple R 1 may be identical or different, if n is 2; and wherein each alkyl group or sub-group is optionally substituted with 1 or more F atoms or with one OH or -O-(C 1-3 -alkyl) group; and wherein each heterocyclyl is selected from the group consisting of azetidinyl, imidazolidinyl, piperidinyl, tetrahydropyranyl and morpholinyl and is optionally substituted with one or two groups independently selected from the group consisting of OH, oxo, C 1-3 -alkyl, -C(=O)-CH 3 and -C(=O)-cyclopropyl; and wherein multiple R 1 may be identical or different, if n is 2; and n is an integer selected from 1 and 2; and m is an integer selected from 0, 1 and 2; and wherein in any definition mentioned hereinbefore, if not specified otherwise, any alkyl group or sub-group may be straight-chained or branched and is optionally substituted with 1 or more F atoms; or a salt thereof.