The zip file contains txt files with absorbance vs. time data; exp files used for the k(obs) determination; pdf files with results of the k(obs) determination. Folder and file names AEM-xxx refer to individual experiments and are identical to those in this Supporting Information. This Supplemental Material is part of an article published in Angewandte Chemie International Edition (doi.org/10.1002/anie.202318283).