There are disclosed certain novel compounds (including pharmaceutically acceptable salts thereof), that inhibit phosphatidylinositol 3-kinase gamma (PI3Kγ) activity, to their utility in treating and/or preventing clinical conditions including respiratory diseases, such as asthma and chronic obstructive pulmonary disease (COPD) , to their use in therapy, to pharmaceutical compositions containing them and to processes for preparing such compounds.揭露了某些新穎化合物(包括其藥學上可接受的鹽), 該等化合物抑制磷脂酸肌醇3-激酶γ(PI3Kγ)活性;涉及它們在治療和/或預防臨床病症中之使用,該等臨床病症包括呼吸性疾病,比如氣喘和慢性阻塞性肺病(COPD);涉及它們在療法中之用途;涉及包含它們的藥物組成物並且涉及用於製備該等化合物之方法。