SEARCH Articles Figures Tables And electron withdrawing And electron withdrawing substituents And electronic effects And substituent effects And substituents effects Effect of substituent Effects of substituents Electron substituents Electron withdrawal Electron withdrawers Electron withdrawing substituent effect Electron-withdrawing effect Electron-withdrawing substituents Electronic effects, of 5-substituents Electrons in reactions Of pinacol Pinacol Pinacol reaction Pinacolate Pinacolation Pinacolizations Pinacolone Pinacolones Pinacols Substituents effects, electronic Substituents reactions Withdrawal reaction