SEARCH Articles Figures Tables Nitrogen in pyrroles Nitrogen precursors pyrrole derivatives Nitrogen, heterocyclic compounds pyrrole Nitrogen-containing ligands pyrroles Nitrogen-containing pyrrole derivatives Pyrrole nitrogen Pyrrole nitrogen Pyrrole-like nitrogen Pyrrole-type nitrogen Pyrroles via nitrogen-stabilized carbanions Pyrrolic nitrogens soluble Pyrrolic nitrogens synthesis Substituents Attached to the Pyrrole Nitrogen Atom Substitutions at pyrrole nitrogen