| abstract |
The invention concerns compounds of Formula I, or a pharmaceutically acceptable salt thereof, n n n n n n n n n n where R 1 , n, R 2 , R 3 , and R 4 are as defined in the description. The present invention also relates to processes for the preparation of such compounds, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use as an antiproliferative agent in the prevention or treatment of tumours or other proliferative conditions which are sensitive to the inhibition of EphB4 kinases. |