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Our qualitative experiments with the NP\u2212cysteine adduct in the presence of pyrazine (pz), reveal the formation of both [Fe(CN)5NO]3-and some [Fe(CN)5pz]3-, suggesting that both N(O)SR dissociation and homolytic scission of the N\u2212S bond in {(NC)5FeN(O)SR}3-occur on comparable time scales."},{"key":"ic048156db00024\/ic048156db00024_1","first-page":"921","volume":"219","author":"Baraldo L. M.","year":"2001","journal-title":"Coord. Chem. Rev."},{"key":"ic048156db00025\/ic048156db00025_1","doi-asserted-by":"crossref","first-page":"785","DOI":"10.1016\/S1367-5931(02)00383-6","volume":"6","author":"Stamler J. S.","year":"2002","journal-title":"J. Curr. Opin. Chem. Biol."},{"key":"ic048156db00025\/ic048156db00025_2","first-page":"58","volume":"26","author":"Szacilowski K.","year":"2000","journal-title":"Prog. React. 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