has specified product has specified reactant aromatic amine fluoroarene Balz-Schiemann reaction RXNO RXNO:0000127 Schiemann reaction The conversion of an aromatic amine to the corresponding fluoride via the diazonium fluoroborate. https://www.rsc.org/Merck-Index/reaction/r388/ https://www.wikidata.org/wiki/Q572113 aromatic substitution step