Table 3. PET Quantitative Analysis of Tumors and Selected Tissues at 1 and 3 h after i.v. Injection of Radiotracer in Mice.

compd	time	tumord	muscled	boned	TMRe
[18F]9a	1 h	6.8 ± 1.9	1.1 ± 0.6	0.9 ± 0.1	6.5 ± 2.4
	3 h	6.9 ± 0.5	0.4 ± 0.1	0.5 ± 0.1	15.5 ± 1.5
[18F]FIB-NDP-MSHb	1 h	1.4 ± 0.9	0.3 ± 0.2	0.4 ± 0.2	4.0 ± 0.8
	3 h	0.7 ± 0.2	0.1 ± 0.0	0.2 ± 0.1	4.3 ± 1.2
[18F]FIB-PRGD2c	1 h	7.3 ± 1.0	1.6 ± 0.7	1.7 ± 0.8	5.3 ± 2.5
	3 h	4.3 ± 1.0	0.9 ± 0.2	1.5 ± 0.9	4.9 ± 0.1

^aB16F0 primary melanoma-bearing C57BL/6J mice.

^bB16F10 primary melanoma-bearing C57BL/6J mice.

^cU87-MG primary glioblastoma-bearing nude mice.

^dData are expressed as percentage of injected dose per gram of tissue (%ID·g^–1) ± SD.

^eTumor-to-muscle ratio.