| 摘要 |
A compound of Formula (I): or a salt or solvate thereof, 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, halogen, C1-6 alkoxy, C1-6 haloalkoxy, OH, NO2, C3-7 cycloalkyl, indanyl, 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, and methyl substituted benzothiazole.
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