4-01-00-01265 (Beilstein Handbook Reference) 5930-73-4 BRN 1712022 Methyl thiopyrophosphate (((MeO)2PS)2S) (7CI) Thiodiphosphoric acid (((HO)2P(S))2S), tetramethyl ester (9CI) Thiodiphosphorothioic acid, O,O,O',O'-tetramethyl ester