28616-48-0 4-04-00-00287 (Beilstein Handbook Reference) AI3-51290 BRN 1801356 Compound 6499 Diethyl bis-dimethyl pyrophosphoradiamide (symmetrical) Diethyl di(dimethylamido)pyrophosphate (symmetrical) P,P'-Diamidodiphosphoric cid, tetramethyl-, diethyl ester P,P'-Diamidopyrophosphoric acid, N,N,N',N'-tetramethyl-, diethyl ester Symmetrical diethyl bis(dimethylamido)pyrophosphate p,p'-Diamidodiphosphoric acid, tetramethyl-, diethyl ester