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Superposition of twelve dimers of biphenyl-bound BphAELB400 (red) with dimers AB, CD and EF of the 2,6-dichlorobiphenyl-bound BphAEp4 (green) showing the distances between C-2, C-3 and C-4 of 2,6-dichlorobiphenyl and the catalytic iron of dimer AB.
