SEARCH Articles Figures Tables 1,3-cycloaddition intramolecular Nitrile ylide Nitrile ylides Nitrile ylides 3+2]-cycloaddition Nitrile ylides intramolecular cycloadditions Nitrile ylides, alkenyl Nitriles cycloaddition Nitriles cycloadditions Nitriles intramolecular Ylides cycloaddition