Figure 3:
Chemical structures of RGD tracers.
18
F-labeled galacto-RGD [
6
], NOTA-RGD [
7
], and cyclic RGD peptide dimers (E [c(RGDfK)]
2
, E [c(RGDyK)]
2
, [c(RGDfE)HEG]
2
-K-Dpr-[
18
F]FBOA, DOTA-E-[c(RGDfK)]
2
), and PEG
4
-dimer) [
8
–
12
].
