Patent ID: 8058283

Claim:
A compound according to formula I, wherein R 1 is selected from the group consisting of: halogen, alkyl, alkoxy, halogenated alkyl and halogenated alkoxy; R 2 is selected from the group consisting of: hydrogen, halogen, alkyl, alkoxy, halogenated alkyl and halogenated alkoxy; R 3 is alkyl which is optionally substituted one or several times with cyano, â€”OR, â€”NRRâ€², â€”C(O)NRRâ€², â€”NRâ€”C(O)-alkyl, â€”S(O) 2 NRRâ€², â€”NRâ€”S(O) 2 -alkyl, heteroaryl, heterocyclyl, unsubstituted phenyl or phenyl substituted one or several times with halogen, alkyl, alkoxy or cyano; R 4 is selected from the group consisting of: a) alkyl wherein the alkyl is optionally substituted one or several times with â€”OR or â€”NRRâ€²; b) phenyl wherein the phenyl is optionally substituted one or several times with alkyl, alkoxy, heterocyclyl, â€”C(O)NRRâ€², â€”NRâ€”C(O)-alkyl, â€”S(O)-alkyl, â€”S(O) 2 NR-alkyl or â€”NRâ€”S(O) 2 -alkyl, and wherein all alkyl and alkoxy groups are optionally substituted one or several times with â€”OR or â€”NRRâ€²; and c) heterocyclyl; and R and Râ€² are each independently hydrogen or alkyl; or a pharmaceutically-acceptable salt thereof.