| abstract |
A compound having the structure of structure I, or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof (wherein R 1 , R 2 , R 3 , R 4 , R 5 , J 1 , J 2 , X, Z, n 1 and n 2 are as defined herein, and wherein at least one of R 1 , R 2 or R 3 is an alkyl ester, alkenyl ester, aryl ester or Which is an aralkyl ester). Also provided is the use of such compounds for the treatment of various indications including prostate cancer. |