Synonyms: Ethylphosphorothioate ((EtO)2(EtS)PO) (6CI); Ethyl thiophosphate ((EtO)2(EtS)PO)(5CI); O,O,S-Triethyl phosphorothioate; O,O,S-Triethyl phosphorothiolate;O,O,S-Triethyl thiophosphate; O,O-Diethyl S-ethyl phosphorothioate;Thiophosphoric acid O,O,S-triethyl ester; Triethyl phosphorothioate