Patent ID: 7893062

Claim:
A compound of formula I wherein R 1 is hydrogen, halogen or lower alkyl; R 2 is hydrogen, halogen, lower alkoxy or lower alkyl substituted by halogen; R 3 is —(CH 2 ) p -heterocyclyl optionally substituted by lower alkyl, halogen, —S(O) 2 -lower alkyl, —C(O)-lower alkyl, —C(O)O-lower alkyl, hydroxy, lower alkyl substituted by hydroxy, —(CH 2 ) p —O-lower alkyl, or —NHCO-lower alkyl, or is C 3-6 -cycloalkyl optionally substituted by ═O, —(CH 2 ) p —O-lower alkyl or lower alkinyl, or is unsubstituted or substituted aryl or heteroaryl, wherein the substituents are selected from the group consisting of lower alkyl, CN, —S(O) 2 -lower alkyl, halogen, —C(O)-lower alkyl, hydroxy, lower alkoxy or lower alkoxy substituted by halogen; or is —(CH 2 ) p —NR 4 R 5 ; R 4 and R 5 are each independently hydrogen, lower alkyl, —(CRR′) p -lower alkyl substituted by hydroxy, —(CRR′) p —O-lower alkyl, —(CRR′) p —S-lower alkyl, —(CRR′) p —O-lower alkyl substituted by hydroxy or C 3-6 -cycloalkyl; R and R′ are each independently hydrogen, lower alkyl or lower alkyl substituted by hydroxyl; n is 1 or 2; o is 1 or 2; and p is 0, 1, 2, 3 or 4; or a pharmaceutically active acid-addition salt thereof.