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. Author manuscript; available in PMC: 2011 Nov 17.
Published in final edited form as: Bioconjug Chem. 2010 Oct 6;21(11):2065–2075. doi: 10.1021/bc100288c

Figure 1.

Figure 1

Glycan–bishydrazide conjugates labeled with fluorescent or photoreactive chromophores. (EG)6 = -O(CH2CH2O)6-. 15: R1, R2=H; 16: R1=β-d-GalNAc, R2=H; 17: R1=H, R2=α-l-Fuc.