1-Methyl-3-(2-chloroethyl)-1-nitrosourea 29655-34-3 3-(2-Chloroethyl)-1-methyl-1-nitrosourea BRN 2356474 Chloroethylmethylnitrosourea N'-(2-Chloroethyl)-N-methyl-N-nitrosourea NSC 409935 Urea, 3-(2-chloroethyl)-1-methyl-1-nitroso- Urea, N'-(2-chloroethyl)-N-methyl-N-nitroso- (9CI)