| abstract |
Compounds having a structure of Formula I: (I) or a pharmaceutically acceptable salt or stereoisomer thereof, wherein R 1 , R 2 , R 3 , R 4 , Z, X and n are as defined herein, and wherein the compound comprises at least one 18 F moiety, are provided. Uses of such compounds for imaging diagnostics in cancer, including prostate cancer as well as methods and intermediates for preparing such compounds are also provided. |