Patent ID: 8334287

Claim:
A compound of formula I wherein R 1 is halogen, lower alkyl or lower alkoxy; R 2 is lower alkyl, lower hydroxyalkyl or lower alkoxyalkyl; R 3 is hydrogen, lower alkyl, lower hydroxyalkyl or lower alkoxyalkyl; Q is either —N═ or —CH═; R 4 is a group of formula IIa or IIb wherein X, Y and Z are each independently —CH═ or —N═, and whereby only one of X or Y is a nitrogen atom; R 5 and R 6 are each independently hydrogen, lower alkyl, lower hydroxyalkyl, lower alkoxyalkyl, —(CH 2 ) m —(CO)O-lower alkyl, —(CH 2 ) m —S(O) 2 -lower alkyl, —(CH 2 ) m —C(O)—NR′R″ and where m=0-3 and R′ and R″ are each independently hydrogen or lower alkyl; or a pharmaceutically acceptable salt thereof.