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Titrations of (a) 10 μM solutions of Zn-1 with NPrMal with 0.5 mM of either Me4Pip or pyridine in the system and (b) 10 μM solution of H2-1 with NPrMal with 0.5 mM MePip present in the system. In the titration of H2-1, the CD maximum at 390 nm is probed. The titrations were performed in dry MCH* with [H2O] below the detection limit of the Karl Fischer titrator.
