Table 4. Biodistribution as Percent of Injected Dose Per Gram (%ID/g) of Radioactivity in Tissues in Normal Fischer Rats Following Intravenous Administration of [¹⁸F]5^a.

tissue	10.4 min	35.6 min	53.4 min
liver	1.20 ± 0.25	0.64 ± 0.22	0.71 ± 0.13
heart	0.97 ± 0.25	0.68 ± 0.14	0.66 ± 0.18
lung	0.73 ± 0.17	0.66 ± 0.32	0.55 ± 0.10
kidney	3.99 ± 0.16	2.14 ± 0.79	2.54 ± 0.64
bladder	0.65 ± 0.27	4.94 ± 2.96	9.89 ± 3.05
muscle	0.42 ± 0.11	0.59 ± 0.17	0.61 ± 0.18
brain	0.45 ± 0.13	0.49 ± 0.10	0.54 ± 0.16
bowel	0.59 ± 0.02	0.37 ± 0.02	0.37 ± 0.06
testes	0.50 ± 0.16	0.54 ± 0.21	0.50 ± 0.16
bone	0.76 ± 0.22	0.62 ± 0.12	0.65 ± 0.17
spine	0.72 ± 0.17	0.65 ± 0.08	0.66 ± 0.13

^aData are reported as mean percent dose per gram ± standard deviation (n = 3) at each time point.