| abstract |
A compound of Formula (I) wherein: One of R1 and R2 is H and the other represents - NHCONHR4 wherein R4 represents a phenyl or naphthyl group (which may be optionally substituted by one or more substituents independently selected from -C1-6 alkyl, -C1-6 haloalkyl, - CH2CH2CH2-, halogen, C1-6 alkoxy, C1-6 haloalkoxy, OH, NO2), C3-7 cycloalkyl or R4 together with the NH to which it is bonded forms a morpholino group and R3 is H or NHR5 wherein R5 is H, -quinolinyl or -isoquinolinyl, -(CONH)p phenyl (wherein p is 0 or 1 and the phenyl is optionally substituted by one or more substituents independently selected from halogen, -C1-6 alkyl, -C1-6 haloalkyl, -morpholino, -SO2NH2, benzothiazole (substituted by methyl)) or a salt, solvate, or physiologically functional derivative thereof. |