Patent ID: 6492373
Filing Date: 2002-12-10
Classification: A61K,C07D

Abstract:
A method for treating renal cancer in a mammal, comprising administering to said mammal an effective amount of a compound of fomula I: or the stereoisomers or hydrates thereof, or their pharmaceutically aceptable salts, wherein:R1 is (C1-C4) alkyl or phenyl optionally substituted with one or two group selected from the group consisting of halide, (C1-C4) alkyl, (C1-C4) alkoxy, phenyl, nitro and amino; R2 represents hydroxyl, (C1-C4) alkoxy, amino, (C1-C4) alkyl or benzyl; R3 represents H or halide; and R4 represents (C1-C4) alkyl or phenyl optionally substituted with one or two group selected from the group consisting of halide, nitro and amino.