Patent ID: 8492376

Claim:
A compound of formula I wherein R 1 is selected from the group consisting of i) H, ii) —C 1-6 -alkyl, unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of OH, halogen, cyano and C 1-6 -alkoxy, iii) —S(O) 2 —C 1-6 -alkyl, wherein the C 1-6 -alkyl is unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of OH, halogen, cyano and C 1-6 -alkoxy, iv)-C(O)—C 1-6 -alkyl, wherein the C 1-6 -alkyl is unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of OH, halogen, cyano and C 1-6 -alkoxy, v) —C(O)O—C 1-6 -alkyl, wherein the C 1-6 -alkyl is unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of OH, halogen, cyano and C 1-6 -alkoxy; vi) cycloalkyl, unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of OH, halogen, cyano, C 1-6 -alkyl and C 1-6 -alkoxy; vii) S(O) 2 —(CH 2 ) q —NR i R ii , wherein q is 0 or 1, R i and is each individually selected from the group consisting of H and C 1-6 -alkyl, or R i and R ii form together with the nitrogen to which they are attached a 3- to 7-membered heterocyclyl containing one or two heteroatoms individually selected from N, O and S, and which heterocyclyl is unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of oxo, halogen, C 1-6 -alkyl and C 1-6 -alkoxy, viii) —(CH 2 ) r —NR iii R iv , wherein r is 1, 2 or 3, R iii and R iv is each individually selected from the group consisting of H and C 1-6 -alkyl, or R iii and R iv form together with the nitrogen to which they are attached a 3- to 7-membered heterocyclyl containing one or two heteroatoms individually selected from N, O and S, and which heterocyclyl is unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of oxo, halogen, C 1-6 -alkyl and C 1-6 -alkoxy, and ix) —C(O)(CH 2 ) s —NR v R vi , wherein s is 1, 2 or 3, R v and R vi is each individually selected from the group consisting of H and C 1-6 -alkyl, or R v and R vi form together with the nitrogen to which they are attached a 3- to 7-membered heterocyclyl containing one or two heteroatoms individually selected from N, O and S, and which heterocyclyl is unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of oxo, halogen, C 1-6 -alkyl and C 1-6 -alkoxy; R 2 is halogen; and R 3 is a 6-membered heteroaryl ring, unsubstituted or substituted by 1 to 5 substituents individually selected from the group consisting of OH, halogen, cyano, C 1-6 -alkoxy, halogen-C 1-6 -alkyl, halogen-C 1-6 -alkoxy and 4-hydroxy-C 1-6 -alkyl; or a pharmaceutically acceptable salt thereof.