A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: R
1
, R
2
, R
3
, R and R
6
are each independently (LQ)
m
Y; R
4
is H, halogen, optionally substituted aryl or optionally substituted alkyl; and; each X is independently CR
7
or N. The compounds are PI3K inhibitors and therefore have potential utility in therapy.
公式I的化合物:或其药用盐,其中:R1、R2、R3、R和R6分别独立地为(LQ)mY;R4为H、卤素、可选择取代的芳基或可选择取代的烷基;每个X独立地为CR7或N。这些化合物是
PI3K
抑制剂,因此在治疗中具有潜在用途。