12367-47-4 5456-28-0 EINECS 226-713-9 Ethyl selenac Ethyl seleram Selenium tetrakis(diethyldithiocarbamate) Selenium, tetrakis(diethylcarbamodithioato-kappaS,kappaS')- Selenium, tetrakis(diethyldithiocarbamato)- Tetrakis(diethylcarbamodithioato-S,S')selenium Tetrakis(diethyldithiocarbamato)selenium