Patent ID: 6525196
Filing Date: 2003-02-25
Classification: A61K,A61P,C07D

Abstract:
A compound of the formula wherein R1, R2, R3 and R4 are selected, independently, from hydrogen, halo, (C1-C4) alkyl wherein said (C1-C4) alkyl is unsubstituted or substituted with from one to three fluorine atoms, (C1-C4)alkoxy wherein said (C1-C4)alkoxy is unsubstituted or substituted with from one to three fluorine atoms, and (C1-C4)alkoxy-(C1-C4)alkyl wherein each of the alkyl moieties of said alkoxy (C1-C4 alkyl) is unsubstituted or substituted with from one to three fluorine atoms; and X is CH or N; or a pharmaceutically acceptable salt thereof.