SEARCH Articles Figures Tables Woodward-Hoffmann rules for -cycloaddition reactions. 49 [Publishers Imprint] See Also: Woodward-Hoffmann rules for -cycloaddition reactions. 49 Woodward-Hoffmann rules for -cycloaddition reactions. 49 Woodward-Hoffmann rules for -cycloaddition reactions. 49 Woodward-Hoffmann rules for -cycloaddition reactions. 49 Woodward-Hoffmann rules for -cycloaddition reactions. 49