Patent ID: 8877944

Claim:
A compound of formula (I): wherein R is a C 3 -C 7 cycloalkyl or heterocyclyl group, each of which further substituted with R 5 O—C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, heterocyclyl, aryl, R 9 —C 1 -C 6 alkyl or heteroaryl group, each of which further substituted with one or more substituents independently selected from halogen atom, NR 3 R 4 , oxo (═O), OR 5 and a substituted C 1 -C 6 alkyl group; when simultaneously present, two substituents such as NR 3 R 4 and OR 5 , may form, taken together, an optionally substituted heterocyclyl group; R 1 is hydrogen or halogen atom; R 3 and R 4 are independently hydrogen atom, R 6 R 7 N—C 2 -C 6 alkyl, R 6 O—C 2 -C 6 alkyl, an optionally further substituted linear or branched C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, or R 3 and R 4 , taken together with the nitrogen atom to which they are bonded, form an optionally substituted heterocyclyl group; R 5 is hydrogen atom, or an optionally further substituted linear or branched C 1 -C 6 alkyl; R 6 and R 7 are independently hydrogen atom, or an optionally further substituted linear or branched C 1 -C 6 alkyl or R 6 and R 7 , taken together with the nitrogen atom to which they are bonded, form an optionally substituted heterocyclyl group; R 9 is either a C 3 -C 6 cycloalkyl, heterocyclyl, aryl or heteroaryl group further substituted with one or more substituents independently selected from halogen atom, linear or branched C 1 -C 6 alkyl NR 3 R 4 , OR 5 , substituted C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, heterocyclyl, aryl and heteroaryl group; or a pharmaceutically acceptable salt thereof.