2H-1,3,2-Oxazaphosphorin-5-d-2-amine, N,N-bis(2-chloroethyl)tetrahydro-5-d-, 2-oxide 5,5'-Dideuterocyclophosphamide 5,5-D2-Cyclophosphamide 59720-09-1 Cyclophosphamide-5-d2 N,N-Bis(2-chloroethyl)tetrahydro-5-d-2H-1,3,2-oxazaphosphorin-5-d-2-amine 2-oxide