InChI=1/C13H26N3O3P/c1-5-9-15-13(16-10-6-2)12(11-14)20(17,18-7-3)19-8-4/h15-16H,5-10H2,1-4H diethyl [1-cyano-2,2-bis(propylamino)vinyl]phosphonate phosphonic acid, [1-cyano-2,2-bis(propylamino)ethenyl]-, diethyl ester