42558-93-0 Cis-acid Cyclohexanecarboxylic acid, 4-[3-(2-chloroethyl)-3-nitrosoureido]-, (Z)- Cyclohexanecarboxylic acid, 4-[[[(2-chloroethyl)nitrosoamino]carbonyl]amino]-, cis- NSC 153174 NSC153174 cis-CCCNU