SEARCH Articles Figures Tables 2- pyrroles, synthesis preparation 3-Nitro-5- pyrroles, preparation Preparation of Gas Sensors Based on Poly (pyrrole) Films Preparation of pyrroles from ketoximes and Preparation of pyrroles from ketoximes and acetylenes Pyrroles from ketoximes and acetylenes, preparations Pyrroles preparation from Pyrroles preparation from dicarbonyl compounds Pyrroles, preparation Pyrroles, preparation Serendipitous Preparation of a Pyrrole Precursor to Porphyrins Trofimov, B. A., Preparations of Pyrroles Trofimov, B. A., Preparations of Pyrroles from Ketoximes and Acetylenes