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Paul J. Sintic, Wenbo E, Zhongping Ou, Jianguo Shao, James A. McDonald, Zheng-Li Cai, Karl M. Kadish, Maxwell J. Crossley, Jeffrey R. Reimers. "Control of the site and potential of reduction and oxidation processes in π-expanded quinoxalinoporphyrins." Physical Chemistry, Chemical Physics - PCCP 10.2 (2008) 268-280