Compounds of formulae (I) and (II): or a pharmaceutically acceptable salt thereof, wherein: R
1
is a nitrogen-containing 5 to 7-membered heteroaryl or heterocycle; R
2
and R
3
are each independently (LQ)
m
Y, are described. The compounds are PI3K inhibitors and are useful for the treatment of cancer and immune-inflammatory diseases.
式(I)和(II)的化合物:或其药学上可接受的盐,其中:R1是含氮的5到7元杂环芳基或杂
环烃基;R2和R3各自独立地为(LQ)mY。这些化合物是
PI3K
抑制剂,可用于治疗癌症和免疫炎症性疾病。