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. 2019 Jul 30;6(5):259–267. doi: 10.1093/rb/rbz025

Figure 1.

Figure 1

(A) 1H NMR spectrum of EPC. (B) FTIR spectra of (a) 7-hydroxycoumarin and (b) EPC. (C) 1H NMR spectrum of HA-EPC. (D) 1H NMR spectrum of HA-EPC-MA. Molecular structures or characteristic groups are shown inside the figures