Patent ID: 7528158

Claim:
A compound of the formula (I): wherein: R 1 is hydrogen, lower-alkyl, aryl, or aryl-lower-alkyl; R 2 is aryl, aryl-lower-alkyl, heteroaryl, heteroaryl-lower-alkyl, cycloalkyl, cycloalkyl-lower-alkyl, fluoro-lower-alkyl, or lower-alkyl, which lower-alkyl is optionally substituted with 1 to 3 substituents selected from the group consisting of OH, CN, halogen, lower-alkoxy and C(O)NR 8 R 9 ; R 3 is hydrogen, halogen, lower-alkyl, fluoro-lower-alkyl, lower-alkoxy, or fluoro-lower-alkoxy; R 4 is hydrogen, halogen, lower-alkyl, fluoro-lower-alkyl, lower-alkoxy, or fluoro-lower-alkoxy; R 5 is hydrogen, halogen, lower-alkyl, fluoro-lower-alkyl, lower-alkoxy, or fluoro-lower-alkoxy; R 6 is hydrogen or lower-alkyl; R 7 is aryl, heteroaryl, fluoro-lower-alkyl, or lower-alkyl, which lower-alkyl is optionally substituted with 1 to 3 substituents selected from the group consisting of OH, CN, halogen, lower-alkoxy and cycloalkyl; and R 8 and R 9 , independently from each other, are selected from the group consisting of hydrogen and lower-alkyl; and pharmaceutically acceptable salts thereof.