1,3,2-Dioxaphosphorinan-2-amine, N,N-bis(2-chloroethyl)-, 2-oxide (9CI) 21089-40-7 BRN 2416909 Bis(2-chloroethyl)phosphoramidic acid cyclic trimethylene ester N,N-Bis(2-chloroethyl)tetrahydro-1,3,2-dioxaphosphorin-2-amine 2-oxide NSC 52694 Phosphoramidic acid, bis(2-chloroethyl)-, cyclic trimethylene ester