Compounds of formula (Ia) or (Ib): or pharmaceutically acceptable salts, hydrates, solvates, complexes or prodrugs thereof are useful in the treatment of allergic diseases such as asthma, allergic rhinitis and atopic dermatitis.
化合物的
化学式(Ia)或(Ib):或其药学上可接受的盐、
水合物、溶剂合物或前药在治疗过敏性疾病如哮喘、过敏性鼻炎和特应性皮炎方面是有用的。