| 摘要 |
PROBLEM TO BE SOLVED: To provide safe and effective compounds for treating, preventing and managing cancer and other diseases and conditions.SOLUTION: The present invention provides a compound represented by the following formula, or pharmaceutically acceptable salt, solvate, prodrug, clathrate or stereoisomer thereof, where Y is C=O or CH2; R1 is H, alkyl, alkenyl, alkynyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, heteroarylalkyl, arylaminocarbonyl, alkylcarbonyl or the like, and R1 is optionally substituted by one or more groups selected from alkoxy, halo, alkyl, carboxy, alkylaminocarbonyl, alkoxycarbonyl, nitro, amine, nitrile, haloalkyl, hydroxy or alkylsulfonyl.SELECTED DRAWING: None |
