2H-1,3,2-Oxazaphosphorin-4-d-2-amine, N,N-bis(2-chloroethyl)tetrahydro-4-d-, 2-oxide 4,4-D2-Cyclophosphamide 55836-73-2 Cyclophosphamide-4-d2 N,N-Bis(2-chloroethyl)tetrahydro-4-d-2H-1,3,2-oxazaphosphorin-4-d-2-amine 2-oxide