摘要 |
<p>The invention concerns pyrimidine derivatives of Formula (I) wherein each of Qa, G1, G2, q, R3, r, R4, X1 and Qb have any of the meanings defined in the description; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use in the production of an anti-proliferative effect in a warm-blooded animal such as man.</p> |