New pyrrolotriazinone derivatives having the chemical structure of formula (I)are disclosed; as well as process for their preparation, pharmaceutical compositions comprising them and their use in therapy as inhibitors of Phosphoinositide 3-Kinases (PI3Ks).本發明揭露一種具有式(I)化學結構的新穎吡咯并三嗪酮衍生物;以及其製備方法、包含其的藥物組成物及其作為磷脂醯肌醇3-激酶(PI3K)抑制劑在治療中的用途。