The compounds of formula (I) wherein A and R1-R5 are as defined in the description,
are inhibitors of Vascular Endothelial Growth Factor and are useful as angiogenesis
inhibitors and antiproliferative agents.
式(I)中A和R1-R5如描述中定义的化合物,是血管内皮生长因子的
抑制剂,可用作抑制血管生成和抗增殖剂。