13908-62-8 BRN 2880520 NSC 81172 Urea, 1,1'-(1,2-cyclohexylene)bis(3-(2-chloroethyl)-, (Z,Z)- Urea, 1,1'-(1,2-cyclohexylene)bis(3-(2-chloroethyl)-, trans- (8CI) Urea, 1,1'-(trans-1,2-cyclohexylene)bis(3-(2-chloroethyl)-