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. Author manuscript; available in PMC: 2016 Jul 10.
Published in final edited form as: J Am Chem Soc. 2015 Mar 6;137(10):3478–3481. doi: 10.1021/jacs.5b00535

Figure 5.

Figure 5

ESI-MS spectrum of 1a crystals dissolved in MeCN obtained by injecting the solution at −30 °C into the mass spectrometer preset at a low dry gas temperature of 25 °C.