The invention concerns quinazoline derivatives of Formula I
wherein each of R
1a
, R
1b
, R
2
, R
3
and a 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 receptor tyrosine kinases.
本发明涉及公式I的喹嗪衍
生物,其中R1a、R1b、R2、R3和a中的每个都具有描述中定义的任何含义;它们的制备过程,含有它们的药物组合物以及它们用于制造抗增殖剂的药物,用于预防或治疗对erbB受体
酪氨酸激酶抑制敏感的肿瘤。