Bicyclic heterocyclic derivatives of formula I useful in inhibiting PDGF receptor mediated biological activity.
wherein A is
and R
1
, R
1a
, R
2
, R
3
, R
4
, R
5
, R
6
and X are as defined herein.
公式I中的双环杂环衍
生物可用于抑制PDGF受体介导的
生物活性,其中A为,R1,R1a,R2,R3,R4,R5,R6和X如本文所定义。