4-01-00-01479 (Beilstein Handbook Reference) 40731-72-4 BRN 1714007 Dimethyl diisopropyl pyrophosphate asym. Diphosphoric acid, P,P-dimethyl P',P'-bis(1-methylethyl) ester Pyrophosphoric acid, O,O-diisopropyl O',O'-dimethyl ester Pyrophosphoric acid, P,P-diisopropyl P',P'-dimethyl tetraester