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. Author manuscript; available in PMC: 2020 Jul 19.
Published in final edited form as: Org Lett. 2019 Jul 2;21(14):5685–5688. doi: 10.1021/acs.orglett.9b02021

Figure 2.

Figure 2.

Relative fluorescence intensities of DSP-3 toward the reaction between 7a and BuNH2. Testing solution contained DSP-3 (10 μM), 7a (50, 100, and 150 μM). (+)-Control: DSP-3 (10 μM) and Na2S2 (50 μM).