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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: Int J Mass Spectrom. 2010 Dec 1;298(1-3):2–9. doi: 10.1016/j.ijms.2010.08.009

Figure 6. 3D models of TMA, 2,6-di-tert-butyl pyridine (DTBP), and 2,4-lutidine.

Figure 6

The arrows signal the positive charge, sterically hindered in TMA and DTBP, but more accessible in 2,4-lutidine. The models were generated using the program Chem3D Pro 11.0.