| abstract |
The invention relates to chromenone derivatives of Formula 1 (see formula). or a pharmaceutically acceptable salt thereof, wherein each R1, R2, R3, R4, R5, R6, R7, R8, n and R9 have any of the meanings mentioned above in the description; processes for their preparation, pharmaceutical compositions containing them and their uses in the preparation of a medicament for use in the treatment of cell proliferation disorders. |