33073-60-8 BRN 2224782 Cyclohexanecarboxylic acid, 4-((((2-chloroethyl)nitrosoamino)carbonyl)amino)-, ethyl ester Cyclohexanecarboxylic acid, 4-(3-(2-chloroethyl)-3-nitrosoureido)-, ethyl ester, (E)- NSC 103548 trans-4-(3-(2-Chloroethyl)-3-nitrosoureido)cyclohexanecarboxylic acid ethyl ester