1950-05-6 2-(Bis(2-chloroethyl)amino)-tetrahydro-2H-1,3,2-oxazaphosphorine 2-sulfide 2H-1,3,2-Oxazaphosphorin-2-amine, N,N-bis(2-chloroethyl)tetrahydro-, 2-sulfide (9CI) 2H-1,3,2-Oxazaphosphorine, tetrahydro-2-(bis(2-chloroethyl)amino)-, 2-sulfide B 603 BRN 0980908 NSC 46403