A compound represented by the formula:
1
wherein m is 1 or 2, R
1
is a halogen or an optionally halogenated C
1-2
alkyl; one of R
2
and R
3
is a hydrogen atom and the other is a group represented by the formula:
2
wherein n is 3 or 4; R
4
is a C
1-4
alkyl group substituted by 1 or 2 hydroxy groups, or a salt thereof shows tyrosine kinase-inhibiting activity.
化合物的分子式为1,其中m为1或2,R1为卤素或可选卤代的C1-2烷基;R2和R3中的一个为氢原子,另一个为公式2所表示的基团,其中n为3或4;R4为1个或2个羟基取代的C1-4烷基或其盐,该化合物具有
酪氨酸激酶抑制活性。