10123-62-3 2-Cyanoethanephosphonic acid diethyl ester 4-04-00-03620 (Beilstein Handbook Reference) AI3-16155 BRN 1775584 Diethyl (2-cyanoethyl)phosphonate Diethyl 2-cyanoethanephosphonate EINECS 233-327-4 Ethanephosphonic acid, 2-cyano-, diethyl ester NSC 43781 NSC 74863 Phosphonic acid, (2-cyanoethyl)-, diethyl ester beta-(Diethoxyphosphinyl)propionitrile