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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Chem Biodivers. 2012 Sep;9(9):1829–1839. doi: 10.1002/cbdv.201100320

Fig. 1.

Fig. 1

Nitric oxide donors and reactions that release NO. Top: Following light-induced Mn-NO bond cleavage in [Mn(PaPy3)(NO)]ClO4 (1), a solvent (solv, e.g. water) molecule fills the coordination site vacated by NO. Center: Three triggers, namely, Cu2+, ascorbate, or light can stimulate NO release from S-nitrosothiols like S-nitroso-N-acetylpenicillamine. Bottom: Upon hydration, N-diazeniumdiolates release two equivalents of NO.