Patent ID: 8026365

Claim:
A compound, of formula I: wherein R′ is selected from the group consisting of C 2-7 -alkyl, C 2-7 -alkenyl, C 3-7 -alkinyl, C 3-7 -cycloalkyl, halogen-C 1-7 -alkyl, C 1-7 -alkoxy-C 1-7 -alkyl and benzyl; R 2 is selected from the group consisting of hydrogen, C 1-7 -alkyl, hydrogen, C 1-7 -alkyxy, C 2-7 -alkenyloxy, hydroxy-C 1-7 -alkoxy, C 1-7 -alkoxy-C 1-7 -alkoxy, —O-benzyl, —O—C 3-7 -cycloalkyl, halogen, halogen-C 1-7 -alkyl, halogen-C 1-7 -alkoxy, amino, pyrrolyl, imidazolyl, —C(O)OR 6 , wherein R 6 is C 1-7 -alkyl, and unsubstituted phenyl or phenyl substituted by one to three groups independently selected from C 1-7 -alkyl, halogen and C 1-7 -alkoxy; R 3 is hydrogen or C 1-7 -alkoxy; R 4 and R 5 are bonded to each other to form a ring together with the carbon atom to which they are attached, and R 4 and R 5 together are: —NH—C(O)—NH—C(O)—, and pharmaceutically acceptable salts thereof.