| abstract |
The present invention provides a preventive and / or therapeutic agent for inflammatory diseases. The following general formula (1): [Wherein R 1 , R 2 and R 3 may be the same or different and are independently a hydrogen atom, a C 1-6 alkyl group, a halo C 1-6 alkyl group, or a C 3-6 cycloalkyl. And a group selected from the group consisting of a C 6-10 aryl group) A histamine H4 receptor antagonist comprising a pyrazolo [3,4-b] pyridineamide compound or a salt thereof or a solvate thereof as an active ingredient. [Selection figure] None |