Patent ID: 7964731

Claim:
A compound of formula (I) wherein R 1 is hydrogen, a straight or branched C 1-4 alkyl group, a C 3-6 cycloalkyl group, a phenyl group, thienyl group, or furyl group, each of which is optionally substituted with one or more straight or branched C 1-4 alkyl group, straight or branched C 1-4 alkoxy group, or halogen atom, or a 5- or 6 membered heteroaromatic ring containing one, two or three nitrogen atoms, or a 5-membered heteroaromatic ring containing one nitrogen atom and one oxygen atom or one nitrogen atom and one sulphur atom, each of which is optionally substituted with one or more straight or branched C 1-4 alkyl group, straight or branched C 1-4 alkoxy group, or halogen atom; and R 2 is hydrogen, a straight or branched C 1-4 alkyl group, or a phenyl, benzyl, thienyl or furyl group, each of which is optionally substituted with a methylenedioxy group, one or more straight or branched C 1-4 alkyl group, straight or branched C 1-4 alkoxy, hydroxy, trifluoromethyl, cyano, or halogen atom, or a 5- or 6-membered heteroaromatic ring containing one, two or three nitrogen atoms, or one nitrogen atom and one oxygen atom, or one nitrogen atom and one sulphur atom, each of which is optionally substituted with one or more straight or branched C 1-4 alkyl group, straight or branched C 1-4 alkoxy group, or halogen atom; or an isomer thereof.