Fig. 1From: A novel 11C-labeled thymidine analog, [11C]AZT, for tumor imaging by positron emission tomographyScheme showing the synthesis of [11C]zidovudine (AZT), [11C]stavudine (d4T), and 4′-[methyl-11C]thiothymidine ([11C]4DST) [14]Back to article page