Description  Claims  Drawing  Cited references 

WO0301427A   [0009] 
WO03014127A   [0030] 
WO2006046079A   [0031] 

100th AACR Annual Meeting   [0009] 
Br. J. Pharmacol.   [0009] 
Medicinal Chemistry and Drug Discovery   [0028] 
Design and Applications of Prodrugs   [0028] 
Pharmacol. Rev.   [0123]