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. 2020 Apr 1;5(14):7823–7835. doi: 10.1021/acsomega.9b03998

Figure 12.

Figure 12

LC–MS spectra of the photodegradation products of MG at (a) 0 min (before degradation) and after (b) 5 min, (c) 15 min, (d) 25 min, (e) 35 min, and (f) 45 min.