Patent ID: 7297707

Claim:
A compound of formula (I) wherein R 1 is phenyl mono-, di- or tri-substituted, independently, by a group selected from the group consisting of halogen and lower alkoxy; R 2 is phenyl, or phenyl mono-, di- or tri-substituted, independently, by a group selected from the group consisting of halogen, halogenated-lower alkyl, nitro and cyano; R 3 is hydrogen, lower alkyl, benzyl, lower alkoxy, halogen, cyano, nitro, amino, —NHSO 2 —R 3a or —NHCO—R 3b ; R 3a is lower alkyl, di-lower alkylamino, benzyl, phenyl or phenyl mono-, di- or tri-substituted, independently, by lower alkyl; R 3b is benzyl, phenyl or phenyl mono-, di- or tri-substituted, independently, by lower alkyl; or a pharmaceutically acceptable salt thereof.