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https://www.jmcs.org.mx/index.php/jmcs/article/view/301?articlesBySimilarityPage=8 Nucleophilic Attack at the Pyridine Nitrogen Atom in a Bis(imino)pyridine System: The Local Hard... nucleophilic attack nitrogen atom pyridine bis imino https://scholarsmine.mst.edu/chem_facwork/2784/ "Incipient Nucleophilic Attack as a Probe for the Electronic Structure " by Rainer Glaser,... Crystal structures of diazonium ions with nucleophilic neighboring groups exhibit distortions that have commonly been interpreted by postulating an "incipient... nucleophilic attack for the electronic structure incipient probe