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. Author manuscript; available in PMC: 2021 Sep 23.
Published in final edited form as: J Org Chem. 2020 Apr 10;85(9):5907–5915. doi: 10.1021/acs.joc.0c00236

Figure 2.

Figure 2.

Transient difference spectrum (A, in ethanol) recorded 50 ns after excitation. FCS (B, in aqueous buffer containing ROXS photostabilization system)22 measurements of 1 and 2. The FCS curve of 2 can be described by pure diffusion fit, while in the FCS curve of 1, we observed an additional component in the microsecond timescale which we attribute to a photoisomerization.