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. Author manuscript; available in PMC: 2018 Jun 26.
Published in final edited form as: Acc Chem Res. 2018 Jun 5;51(6):1415–1421. doi: 10.1021/acs.accounts.8b00066

Figure 1.

Figure 1

Structures of [Ru(bpy)2(L)2]2+, where L = 4-aminopyridine (4-AP), γ-aminobutyric acid (GABA), serotonin, 5-cyanouracil (5-CNU), isoniazid (INH), and the cathepsin inhibitor Ac-Phe-NHCH2CN.