Potassium tin oxide (K2sno3)12142-33-5100 % similar Potassium perrhenate10466-65-650 % similar Sodium stannate (na2sno3)12058-66-150 % similar Potassium molybdate13446-49-650 % similar Potassium metavanadate13769-43-250 % similar Potassium tungstate (K2wo4)7790-60-550 % similar Potassium osmate10022-66-940 % similar Cadmium oxide1306-19-036 % similar Heavy water7789-20-033 % similar