1950-04-5 Bipholar Di-(2-chloroethyl)amidophosphoric acid diphenyl ester Diphenyl di-(2-chloroethyl)amidophosphoric acid NSC 323220 Phosphoramidic acid, bis(2-chloroethyl)-, diphenyl ester (8CI)(9CI) Phosphoric acid, diphenyl-, di(2-chloroethyl)amide Preparation F-11