22089-17-4 2H-1,3,2-Oxazaphosphorine, tetrahydro-2-(bis(2-chloroethyl)amino)-3-methyl-, 2-oxide B 694 BRN 0983012 Tetrahydro-2-(bis(2-chloroethyl)amino)-3-methyl-2H-1,3,2-oxazaphosphorine 2-oxide