A 5,000-fold increase in the HAT reactivity of a nonheme Fe IV =O complex simply by replacing two pyridines of the pentadentate N4Py ligand with pyrazoles - Nabhendu Pal; Jin Xiong; Mehmet Jahja; Sami Mahri; Victor G. Young; Yisong Guo; Marcel Swart; Lawrence Que (Proceedings of the National Academy of Sciences, 2025)