| abstract |
The invention of the formula I (3- amino-1, 2,3, 4 -9 H-carbazole-9-yl) -acetic acid derivatives:n n n n n Formula In n n n n n n n n n R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are the same as described in the description; Their use as prostaglandin receptor modulators in various prostaglandin-mediated diseases and diseases, more specifically as prostaglandin D 2 receptor modulators; Pharmaceutical compositions containing these compounds, and processes for their preparation.n n n Prostaglandin |