| 摘要 |
Compounds of formula I: wherein X is selected from oxygen, nitrogen and sulfur; n is 0 or 1; R1 is selected from alkyl, carboxylic acid, carboxylate, carboxamide, ester and combinations thereof; R2 is selected from alkyl, substituted alkyl, carboxylic acid, carboxylate, carboxamide, sulfonyl, sulfonamide and combinations thereof; and derivatives and metabolites thereof. Further provided are methods of using a compound of formula I to prevent and/or treat a subject having a condition characterized by unwanted cell proliferation. Also provided are pharmaceutical compounds comprising one or more compounds of formula I, or derivatives or pharmaceutically acceptable salts thereof. |
