“…Thus, A8 is referred to as a 1-nitroso-2-naphthol (or 1,2-naphthoquinone-1-oxime) complex, and A9 is the related 2-nitroso-1-naphthol complex. Several examples for A8 , where the metal is Ru [1.22−1.28 Å], , Ir [1.274 Å], or Cu [1.257−1.287 Å], , are known as are structures for A9 , where the metal is Ru [1.19−1.26 Å] 216 or Cu [1.262−1.266 Å] …”