Synonyms: Ethylthiopyrophosphate (6CI,7CI); Thiodiphosphoric acid ((HO)2P(O)OP(S)(OH)2), tetraethylester (9CI); Thiopyrophosphoric acid ((HO)2(O)POP(S)(OH)2), tetraethyl ester(8CI); Ethyl thiopyrophosphate ((EtO)2OPOPS(OEt)2); Fosarbin; MTST;MonothionoTEPP; O,O,O,O-Tetraethyl monothiodiphosphate; O,O,O,O-Tetraethylthiopyrophosphate; Phosarbin; Pirofos; Pyrophos; Tetraethylmonothionopyrophosphate; Tetraethyl monothiopyrophosphate; Tetraethylthionopyrophosphate