SEARCH Articles Figures Tables 4+2]-Cycloaddition reverse stereoselectivity Attempted Observation of High Pressure-Promoted Reversibility in the Cycloadditions Attempted Observation of Thermally-Promoted Reversibility in the Cycloadditions Cycloaddition, Regio-reversed Cycloadditions microscopic reverse Cycloadditions reverse Cycloadditions reversible Cycloadditions reversible Nitrones reversible cycloaddition reactions Reactions and Reverse Cycloadditions Reversible -sigmatropic cycloaddition