Patent ID: 8481572

Claim:
A pharmaceutical composition comprising as an active component a compound of formula (I): X is selected from the following: wherein R 1 is independently selected from H, F, Cl, Br, I or a C 1-5 linear or branched alkyl; n is 1, 2, 3, 4 or 5; R 4 is a group of formula R 5 being a 5- or 6-membered aromatic or non-aromatic ring optionally having one, two or three heteroatoms selected from O, N or S; R 6 being a 5- or 6-membered aromatic or non-aromatic ring optionally having one, two or three heteroatoms selected from O, N or S optionally having one or two substituents independently selected from halogen and a linear or branched C 1-5 alkyl group; Z is selected from O or S; and a physiological acceptable carrier.