| abstract |
The invention relates to compounds of structural formulas (I), (VII) and (XI): n n n n n n n n n n or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein X 1 , X 2 , X 3 , Y, Z, L, R 1 , R 2 , R 3 , R 18 and n are defined herein. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders. |