NSC110803 Urea, 1-(2-chloroethyl)-3-[.alpha.-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-p-tolyl]-1-nitroso- Urea, N-(2-chloroethyl)-N'-[4-[(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)methyl]phenyl]-N-nitroso-