2942-58-7 4-03-00-00265 (Beilstein Handbook Reference) BRN 1768938 Diethoxy-phosphoryl cyanide Diethyl cyanidophosphate Diethyl cyanophosphosphonate Diethyl phosphorocyanidate Diethylcyanophosphate Diethylphosphorocyanidate EINECS 220-936-5 Phosphorocyanidic acid, O,O-diethyl ester Phosphorocyanidic acid, diethyl ester