Patent ID: 7230102

Claim:
A compound of the formula wherein: X is N; R1 is C 1 –C 6 linear or branched alkyl or C 2 –C 6 linear or branched alkenyl; R2 is hydrogen, C 1 –C 6 linear or branched alkyl or C 2 –C 6 linear or branched alkenyl C 6 –C 14 aryl or C 6 –C 14 aryl(C 1 –C 6 ) linear or branched alkyl or C 6 –C 14 aryl(C 2 –C 6 ) linear or branched alkenyl, with the aryl group optionally substituted by one or more substituents, either the same or different, selected from the group consisting of halogen, hydroxy, C 1 –C 6 alkoxy linear or branched or C 2 –C 6 alkenyloxy linear or branched, amino, optionally mono- or disubstituted with C 1 –C 6 linear or branched alkyl; R3 is NH 2 , NHR 4 R 4 is C 1 –C 6 alkyl or C 1 –C 6 hydroxyalkyl, C 1 –C 3 alkoxyalkyl, amino(C 1 –C 6 )alkyl, where the amino group is optionally substituted with one or two C 1 –C 3 linear or branched alkyl groups, or with one or two C 2 –C 3 alkenyl groups C 6 –C 14 aryl or C 6 –C 14 aryl(C 1 –C 6 )alkyl, with the aryl group optionally substituted by one or more substituents, either the same or different, selected from the group consisting by halogen, hydroxy, C 1 –C 6 alkoxy linear or branched or C 2 –C 6 alkenyloxy linear or branched, amino, mono- or di-substituted with C 1 –C 6 alkyl linear or branched or C 2 –C 6 alkenyl linear or branched; and pharmaceutically acceptable salts thereof.