The present invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity of JAK3, thereby making them useful for the treatment of inflammatory and autoimmune diseases.
本发明提供了化合物I的公式及其药学上可接受的盐。公式I的化合物抑制JAK3的
酪氨酸激酶活性,因此使它们在治疗炎症和自身免疫性疾病方面具有用途。