Compounds of general formula (I) wherein R is phenyl optionally substituted with one or more halo substituents; and their pharmaceutically acceptable salts, hydrates, solvates, complexes or prodrugs are useful in orally administrable compositions for the treatment of allergic diseases such as asthma, allergic rhinitis and atopic dermatitis.
通式(I)的化合物,其中R是
苯基,可以选择性地被一个或多个卤素取代;以及它们的药学上可接受的盐、
水合物、溶剂合物、复合物或前药,在口服组合物中用于治疗过敏性疾病,如哮喘、过敏性鼻炎和特应性皮炎。