SEARCH Articles Figures Tables 2.6- diphenyl-4- ethylidene -47/-tellurin 4-Oxo-4H tellurins 4H-Tellurine Epoxidation of olefins catalysed by polystyrene-supported tellurinic acid From 4-Oxo-4-tellurines From 4-Thioxo-4-tellurines From Other Tellurinic Acids From Tellurinic Acid Chlorides or Nitrates Oxo-4-tellurines Tellurin and Derivatives Tellurinate Tellurinates Tellurinates Tellurinic Acids and Derivatives Tellurinic Anhydride Tellurinic acids Tellurins