A compound, pharmaceutically acceptable salt thereof, or hydrate thereof having a PGD2-antagonistic activity, and an inhibitory activity against infiltration of eosinophils, useful for treating mast cell dysfunction-associated diseases, such as systemic mastocytosis and disorder of systemic mast cell activation, as well as tracheal contraction, asthma, allergic rhinitis, allergic conjunctivitis, urticaria, ischemic reperfusion injury, inflammation and atopic dermatitis, which is shown by the formula (I):
is provided.
一种化合物、其药学上可接受的盐或其
水合物,具有
PGD2-拮抗活性和抑制嗜酸性粒细胞浸润的活性,可用于治疗肥大细胞功能障碍相关疾病、如全身性肥大细胞增多症和全身性肥大细胞活化障碍,以及气管收缩、哮喘、过敏性鼻炎、过敏性结膜炎、荨麻疹、缺血再灌注损伤、炎症和特应性皮炎等,如式(I)所示:
提供。