Patent ID: 8173662

Claim:
A compound of the formula (I): wherein: V is selected from CH 2 and NH, and W is NR 1 ; or V is NR 1 , and W is selected from CH 2 and NH; X is selected from CH 2 and CHOH in the R or S-configuration; Y is selected from hydrogen, halogen and hydroxy, except where V is selected from NH and NR 1 , then Y is hydrogen; Z is selected from hydrogen, halogen, hydroxy, SQ, OQ and Q, where Q is an alkyl, aralkyl or aryl group; R 1 is a radical of the formula (II) A is N; B is selected from OH, NH 2 , NHR 6 , SH, hydrogen and halogen, where R 6 is an alkyl, aralkyl or aryl group; D is selected from OH, NH 2 , NHR 7 , hydrogen, halogen and SCH 3 , where R 7 is an alkyl, aralkyl or aryl group; E is N; G is selected from CH 2 and NH, or G is absent, provided that where W is NR 1 and G is NH then V is CH 2 , and provided that where V is NR 1 and G is NH then W is CH 2 , or a tautomer thereof, or a pharmaceutically acceptable salt thereof.