JNM -- Semnani et al. 46 (5): 800 Figure 2

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FIGURE 2. HPLC analysis of ¹²⁵I-IUdR synthesized with varying amounts of SnUdR (¹²⁷I-IUdR coinjected with ¹²⁵I-IUdR). (A) SnUdR formulation: 1 µg. (B) SnUdR formulation: 100 µg. (Top) Radioactivity trace: ¹²⁵I-IUdR t_R = 7.5 min. (Bottom) 254-nm UV trace: ¹²⁷I-IUdR t_R = 7.1 min, SnUdR t_R = 2.4 min.