SEARCH Articles Figures Tables 1,3-cycloaddition intramolecular Addition 1,3-cycloadditions Addition photochemical cycloaddition Addition/cycloaddition Intramolecular addition Intramolecular cycloadditions additions Intramolecular photochemical Intramolecular, addition 3 + 2]-cycloaddition Intramolecular, addition photochemical Photochemical -cycloadditions Photochemical addition