Zinc,[m-[[5,5'-(1,2-ethanediyl)bis[2,3,7,8,12,13,17,18-octaethyl-21H,23H-porphinato]](4-)-N21,N22,N23,N24:N21',N22',N23',N24']]di-;21H,23H-Porphine, 5,5'-(1,2-ethanediyl)bis[2,3,7,8,12,13,17,18-octaethyl-, zinccomplex
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