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. 2017 Mar 10;12:1941–1958. doi: 10.2147/IJN.S125573

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© 2017 Song et al. This work is published and licensed by Dove Medical Press Limited

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Characteristic ¹H-NMR spectra.

Abbreviations: ¹H-NMR, proton nuclear magnetic resonance; DSPE-PEG2000, N-(carbonyl-methoxypolyethylene glycol 2000)-1,2-distearoyl-sn-glycero-3-phosphoethanolamine sodium salt; RGD, arginine–glycine–aspartic acid; cRGDfc, cyclo Arginine-Glycine-Asparticacid-D-Phenylalanine-Cycstine; Mal, maleimide.