Richiedi una copia del documento: Tetra-2,3-pyrazinoporphyrazines with Externally Appended Pyridine Rings. 3. A New Highly Electron-Deficient Octacationic Macrocycle: Tetrakis-2,3-[5,6-di{2-(N-methyl)pyridiniumyl} pyrazino]porphyrazine, [(2-Mepy)8TPyzPzH2]8+

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