4-01-00-01343 (Beilstein Handbook Reference) 470-85-9 8008 HC BRN 1713231 Ethyl methyl thiopyrophosphate ((EtO)2P(O)OP(S)(OMe)2) Thiodiphosphoric acid ((HO)2P(O)OP(S)(OH)2), P,P-diethyl P',P'-dimethyl ester (9CI) Thiopyrophosphoric acid, P,P-diethyl P',P'-dimethyl ester