1-(2-Chloroethyl)-1-nitroso-3-(5,6,7,8-tetrahydro-2-naphthyl)urea 13909-32-5 BRN 2891815 NSC 101341 Urea, 1-(2-chloroethyl)-1-nitroso-3-(5,6,7,8-tetrahydro-2-naphthyl)-