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. Author manuscript; available in PMC: 2012 Sep 27.
Published in final edited form as: Chem Mater. 2011 Sep 27;23(18):4227–4233. doi: 10.1021/cm201628z

Figure 2.

Figure 2

Proposed structures for stabilization of (A) diazeniumdiolate-functionalized DPTA by neighboring cationic ammonium functionality, and (B) PPI-ACN (a-NO) by neighboring cationic protonated-imidate functionality.