Table 4.

¹⁸F to ¹²⁵I uptake ratios obtained from the biodistribution of [¹⁸F]RL-II-2Rs15d/[¹²⁵I]SGMIB-2Rs15d in SKOV-3 model in the current study compared with the same ratios obtained from the data for [¹⁸F]RL-I-2Rs15d/[¹²⁵I]SGMIB-2Rs15d in BT474M1 model reported (Zhou et al., 2017).

	18F/125I Ratio
Tissues	1 h		2 h
	RL-I	RL-II	RL-I	RL-II
Liver	10.82 ± 1.87	6.21 ± 1.60	12.15 ± 1.42	4.49 ± 0.26
Spleen	5.18 ± 1.46	4.05 ± 1.00	4.92 ± 0.82	3.11 ± 0.57
Lungs	5.02 ± 0.53	2.49 ± 0.55	4.87 ± 0.80	3.09 ± 0.51
Heart	2.31 ± 0.36	3.91 ± 1.58	2.12 ± 0.74	3.18 ± 0.46
Kidneys	1.19 ± 0.11	3.06 ± 0.29	0.88 ± 0.02	3.28 ± 0.43
Stomach	1.67 ± 0.27	1.60 ± 0.34	1.64 ± 0.15	0.42 ± 0.12
Muscle	1.39 ± 0.22	2.07 ± 0.76	1.23 ± 0.35	4.25 ± 1.77
Blood	1.59 ± 0.19	3.18 ± 1.11	2.07 ± 0.28	1.77 ± 0.30
Bone	1.83 ± 0.36	6.05 ± 3.33	2.18 ± 1.15	14.90 ± 6.53
Brain	1.71 ± 0.73	7.88 ± 5.01	1.22 ± 0.18	11.56 ± 4.57
Tumor	0.84 ± 0.03	1.16 ± 0.11	0.80 ± 0.02	1.35 ± 0.04