74729-55-8 BRN 5575952 NSC 275627 Urea, 1-(2-chloroethyl)-3-(2,6-dihydroxy-4-methylcyclohexyl)-1-nitroso-, (E)- Urea, N-(2-chloroethyl)-N'-(2,6-dihydroxy-4-methylcyclohexyl)-N-nitroso-, (1-alpha,2-beta,4-beta,6-beta)- trans-1-(2-Chloroethyl)-3-(2,6-dihydroxy-4-methylcyclohexyl)-1-nitrosourea