SEARCH Articles Figures Tables 18-Crown potassium cyanide 18-Crown-6-potassium cyanide complex Bases Potassium carbonate-18-Crown Bases Potassium hydroxide-18-Crown Bis 18-crown-6)(acetonitrile)potassium Hexacarbonyltitanate Crown-6)Potassium Dicyanophosphide Dicyclohexyl-18-crown-6-Potassium Dicyclohexyl-18-crown-6-Potassium cyanide Potassium -Crown ether Potassium 18-crown-6 poly ether Potassium 18-crown-6 polyether Potassium acetate complex with dicyclohexyl-18-crown-6 polyether Potassium carbonate-18-Crown Potassium complexes crown ethers Potassium fluoride-18-Crown Potassium halide-18-crown-6 systems Potassium hydride-18-Crown Potassium hydroxide-18-Crown Potassium tert-butoxide/18-crown Potassium-containing crown ether complexes