Patent ID: 7560591

Claim:
A compound of formula (I) below: wherein A is selected independently from a carboxamide group and a thiocarboxamide group; R 1 is an alkyl group having from 1 to 3 carbon atoms; R 2 is selected independently from hydrogen, an alkyl group having from 1 to 4 carbon atoms, a methoxy group, an ethoxy group, or a propoxy group, a mono-, bi- or tricyclic cycloalkane group having from 5 to 12 carbon atoms, an adamantyl group, and an aryl, naphthyl or heterocyclic group, unsubstituted or substituted with a methyl group, a methoxy group, a hydroxy group, an amino group or a halogen group; R 3 and R 4 are selected independently from hydrogen and an alkyl group having from 1 to 3 carbon atoms; R 5 represents one or two substituents independently selected from hydrogen and a methyl group, a methoxyl group and a hydroxyl group; n is a whole number from 0 to 6; and an amidine group is in the para or meta position relative to the —A—NH— group, or a pharmaceutically acceptable salt thereof.