581281.fig.006
Figure 6: Effect of SnCl2·2H2O concentration on the labeling yield of 99mTc-clomiphene; reaction conditions: 1.5 mg clomiphene, 5–200 μg of SnCl2·2H2O, and 1 mL (*400 MBq) of at pH 7; the reaction mixture was kept at room temperature for 30 min.