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. 2015 Jan 20;30(4):368–385. doi: 10.1007/s12291-014-0475-8

Fig. 2.

Fig. 2

Formation of major products from the reaction of peroxynitrite and guanine residue. The reaction between peroxynitrite (ONOO) and guanine (G) residue forms 8-nitroguanine (8-nitroG), 8-oxoguanine (8-oxoG), 5-guanidino-4-nitroimidazole (NI) and 2,5-diamino-4H-imidazol-4-one (Iz) and it undergoes hydrolysis to form 2,2,4-triamino-5(2H)-oxazolone (Oz) at physiologic pH