The invention relates to a compound of formula (I) wherein the variables have the meaning as indicated in the claims; in free form and in salt form; and optionally the enantiomers and geometrical isomers thereof. The compounds of formula (I) are useful as therapeutic agent for organ transplants, lupus, multiple sclerosis, rheumatoid arthritis, psoriasis, Type I diabetes and complications from diabetes, cancer, asthma, atopic dermatitis, autoimmune thyroid disorders, ulcerative colitis, inflammatory bowel diseases, Crohn's disease, Alzheimer's disease, leukemia, osteoarthritis, control of pruritus, chronic respiratory disease or keratoconjunctivitis in mammals.
本发明涉及式(I)化合物,其中各变量的含义如权利要求所述;游离形式和盐形式;以及可选的对映体和几何异构体。式(I)化合物可用作器官移植、红斑狼疮、多发性硬化症、类风湿性关节炎、
银屑病、I 型糖尿病及糖尿病并发症、癌症、哮喘、特应性皮炎、自身免疫性甲状腺疾病、溃疡性结肠炎、炎症性肠病、克罗恩病、老年痴呆症、白血病、骨关节炎、控制哺乳动物瘙痒症、慢性呼吸道疾病或角膜结膜炎的治疗剂。