| abstract |
The present invention provides a PPAR γ agonist comprising, as an active ingredient, a tricyclic compound represented by the formula (I) n n(wherein R 1 represents lower alkyl optionally having substituent(s) or the like, R 2 and R 3 are the same or different and each represents lower alkyl optionally having substituent(s) or the like, R 4 and R 5 are the same or different and each represents a hydrogen atom or the like, Q 1 -Q 2 -Q 3 represents CH═CH—CH═CH or the like, Y represents a single bond or the like, Z 1 -Z 2 represents C═CR 13 (wherein R 13 represents a hydrogen atom or the like), or the like, and A represents —COOH or the like), or a pharmaceutically acceptable salt thereof and the like. |