Preparation and evaluation of 99mTc-labeled cyclic arginine–glycine–aspartate (RGD) peptide for integrin targeting
Keywords: Trt، Trityl; 99mTc; N3S1; Cyclic RGD peptide; Integrin; Tumor targetingFmoc, 9-Fluorenylmethoxycarbonyl; Allyl, Allyl; Pbf, 2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl; Mtt, 4-Methyltrityl; Trt, Trityl; HBTU, O-Benzotriazole-N, N,N′,N′-tetramethyl-uronium-hexafl