5-24-05-00290 (Beilstein Handbook Reference) 69000-79-9 BRN 0859686 N-(2-Chloroethyl)-N-nitroso-N'-(2-(4-octyl-2,3-dioxo-1-piperazinyl)ethyl)urea Urea, N-(2-chloroethyl)-N'-(2-(2,3-dioxo-4-octyl-1-piperazinyl)ethyl)-N-nitroso-