摘要 |
The invention relates to compounds of structural formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein Y, L, X<SUB>1</SUB>, X<SUB>2</SUB>, Z, R<SUB>3</SUB>, R<SUB>4</SUB>, and n are defined herein. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
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