“…Crystallographic data for 0 (CCDC 1455901): C 46 H 32 CuN 2 O 3 , 0.31 × 0.15 × 0.10 mm 3 , M w = 772.27, monoclinic, P2 1 (#4), a = 12.6752(13), b = 7.8327(8), c Fig. 4 showed a spectroelectrochemical proof of mediator function of 0 (reduction of oxygen is at about 540 mV generally [9,10]), and that intermediate species exist in the new complex, in other words, quinone moiety of the ligand should be considered as the anion structure.…”