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Comparison of concepts described in this manuscript: wavelength-selective uncaging of photolabile protecting groups (a) and orthogonal photoswitching (b). Molecular structures and switching of DASAs (DASA 1 and 2 (c)) and azobenzenes (3–6 (d)) with a conceptual representation of the ultraviolet-visible spectra of compounds 1 and 3 (e).
