| 摘要 |
The invention provides compounds of the formula: and pharmaceutically acceptable salts or prodrugs thereof, wherein m, p, q, r, A, E, X, Y, R<1>, R<4>, R<5>, R<6>, R<7>, R<8>, R<9 >and are as defined herein. The invention also provides methods for preparing, compositions comprising, and methods for using compounds of formula I.
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