Compound of formula I are antagonists of the PGD2 receptor, CRTH2, and as such are useful in the treatment and/or prevention of CRTH2-mediated diseases such as asthma in combination with a second active ingredient such as a leukotriene antagonist.
式 I 的化合物是
PGD2 受体 CRTH2 的拮抗剂,因此可与第二种活性成分(如
白三烯拮抗剂)联合用于治疗和/或预防 CRTH2 介导的疾病,如哮喘。