| abstract |
A compound of formula (I): in which: R1 and R2 is each independently hydrogen, C1-6alkyl or CH2C3-7cycloalkyl; R3 is C1-3alkyl or C2-3alkyl substituted by hydroxy or C1-3alkoxy; and X is halogen; or a salt or solvate, preferably a pharmaceutically acceptable salt or solvate, thereof; useful as inhibitors of Syk kinase and thus useful in treating diseases resulting from inappropriate mast cell activation, for instance allergic and inflammatory diseases. |