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. 2023 May 3;617(7961):623–628. doi: 10.1038/s41586-023-06008-5

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© The Author(s) 2023

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Extended Data Fig. 7 — The top panels show molecular sketches of the atomic and electronic motions associated with the energy barriers to overcome along the peroxide formation reaction shown in the bottom panel. The values for the indicated enthalpies of activation and stabilization are: ΔH*₁, +7.0 kcal/mol; ΔH*₂, +5.8 kcal/mol; ΔH₁, −19 kcal/mol; ΔH₂, +1 kcal/mol .