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. 2018 Aug 27;10(9):949. doi: 10.3390/polym10090949

Figure 4.

Figure 4

Figure 4

The 1H NMR of HA-Furan with LAP under different illumination time. (A) Chemical shift between 6.1 ppm and 7.8 ppm; (B) Chemical shift between 1.0 ppm and 8.0 ppm.