The present invention relates to 7-(heteroaryl-amino)-6,7,8,9-tetrahydropyrido[1,2-a]indol acetic acid derivatives of the formula (I),
wherein R
1
, R
2
, R
3
and R
4
are as described in the description and their use as prostaglandin receptor modulators, most particularly as prostaglandin D
2
receptor modulators, in the treatment of various prostaglandin-mediated diseases and disorders, to pharmaceutical compositions containing these compounds and to processes for their preparation.
本发明涉及式(I)的7-(杂环芳基
氨基)-6,7,8,9-四
氢吡啶[1,2-a]
吲哚乙酸衍
生物,其中R1、R2、R3和R4如描述中所述,以及它们作为
前列腺素受体调节剂的用途,特别是作为
前列腺素D2受体调节剂,在治疗各种
前列腺素介导的疾病和紊乱中使用,以及含有这些化合物的制药组合物和其制备方法。