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Optical properties of selected Figure 2 difluoro-dioxaborinins. a) A photo of 1, 2, 3, 6, 13, 14, 15, 16, 17, and 5 methanol solutions under a) ambient light and b) 365 nm lamp irradiation. c) The absorption spectra for the compounds shown in Figure 2 in methanol. d) The emission spectra for the compounds shown in Figure 2 in methanol.
