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. 2020 Nov 25;21(23):8961. doi: 10.3390/ijms21238961

Figure 6.

Figure 6

UV/VIS spectra of azobenzene-functionalized axitinib derivatives 3 and 4. (a) UV/VIS-spectrum of meta-linked E-3 (red) in DMSO (20 µM) as well as photostationary states (PSS) after irradiation at 365 nm (blue). (b) UV/VIS-spectrum of para-linked E-4 (red) in DMSO (20 µM) as well as PSS after irradiation at 385 nm (blue). Spectra after irradiation at 435 nm (3) and 470 nm (4) respectively are not shown for reasons of clarity. These spectra overlap with the spectra of the pure E-Isomers.