Synonyms: Hydroperoxide,3-(2-chloroethyl)-2-[(2-chloroethyl)amino]tetrahydro-2H-1,3,2-oxazaphosphorin-4-yl,P-oxide, cis-; 2H-1,3,2-Oxazaphosphorine, hydroperoxide deriv.; Hydroperoxide,3-(2-chloroethyl)-2-[(2-chloroethyl)amino]tetrahydro-2-oxido-2H-1,3,2-oxazaphosphorin-4-yl,cis-