The invention relates to new bicyclic heterocyclic derivative compounds of formula (I): wherein R
1
, A, X
1
, X
2
, X
3
, X
4
, X
5
and R
2
are as defined herein, to pharmaceutical compositions comprising said compounds and to the use of said compounds in the treatment of diseases, e.g. cancer.
该发明涉及公式(I)的新的双环杂环衍
生物化合物,其中R1、A、X1、X2、X3、X4、X5和R2如此定义,在包括该化合物的药物组合物中以及在治疗疾病(例如癌症)中使用该化合物。