Patent ID: 8012998

Claim:
A compound of formula I wherein Ar 1 is pyridinyl; Ar 2 is pyridinyl; R 1 is hydrogen, halogen, lower alkyl, lower alkoxy, lower alkyl substituted by halogen, lower alkoxy substituted by halogen, S-lower alkyl, —S(O) 2 -lower alkyl, —S(O) 2 -di-lower alkyl amino, —(CH 2 ) q R, cyano, amino, mono or di-lower alkyl amino, NHC(O)-lower alkyl, or cycloalkyl wherein R is cyano, di-lower alkyl amino or pyrrolidin-1-yl; R 2 is hydrogen, halogen, lower alkyl, lower alkyl substituted by halogen or cyano; R 3 is hydrogen or lower alkyl or CH 2 OH; R 4 is hydrogen, halogen, lower alkyl, lower alkyl substituted by halogen or cyano; n is 1, 2 or 3; in case n is 2 or 3, each R 1 is the same or different; o is 1, 2 or 3; in case o is 2 or 3, each R 2 is the same or different; p is 1, 2 or 3; in case p is 2 or 3, each R 4 is the same or different; and q is 1 or 2; or a pharmaceutically active salt thereof, diastereoisomer, enantiomer or racemic or non-racemic mixture thereof.