| 摘要 |
<p>The invention concerns quinazoline derivatives of formula (I) wherein R1and R2 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 as an antiproliferative agent in the prevention or treatment of tumours which are sensitive to inhibition of erbB, particularly EGF, receptor tyrosine kinases.</p> |
