1-(2-Chloroethyl)-1-nitroso-3-(3-pyridylmethyl)urea N-oxide 1-(2-Chloroethyl)-1-nitroso-3-(3-pyridylmethyl-1-oxy)urea 5-22-09-00315 (Beilstein Handbook Reference) 70015-86-0 BRN 0427299 N-(2-Chloroethyl)-N-nitroso-N'-(3-pyridinylmethyl)urea N-oxide Urea, N-(2-chloroethyl)-N-nitroso-N'-(3-pyridinylmethyl)-, N-oxide