Patent ID: 7285569

Claim:
A compound of formula I, wherein R 1 is alkyl or —C(O)-alkyl; R 2 is hydrogen, alkyl, cyano or halogen; R 3 is hydrogen, alkyl, (C 3 -C 6 )-cycloalkyl, alkoxy or alkylsulfanyl; X is —C(O)— or —CH 2 —; Y is —NH—, —CH 2 —CR 4 R 5 —, —CR 4 R 5 —CH 2 — or —CR 4 R 5 —; wherein R 4 is hydrogen or alkyl; and R 5 is hydrogen or alkyl, or alternatively R 4 and R 5 form together with the carbon atom to which they are attached a cycloalkyl ring; and all pharmaceutically acceptable salts thereof.