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. Author manuscript; available in PMC: 2022 Jul 5.
Published in final edited form as: Chem Soc Rev. 2021 Jul 5;50(13):7436–7495. doi: 10.1039/d0cs01096k

Fig. 13.

Fig. 13

Chemical structures of thiol probes 54 and 62–88 based on the dual-fluorophore fragmentation strategy and the thiolysis of NBD ethers. The turn-on dual emissions are shown as colored stars below each structure; a dark red star represents NIR emission.