1-(2-chloroethyl)-3-(2-chlorophenyl)-1-nitrosourea

1-(2-氯苯基)-3-(2-甲基苯基)脲

N-(3,4-二氯苯基)-N'-(2-氯苯基)脲

1-(2-chlorophenyl)-3-(4-chlorophenyl)urea

methyl 2-[(2-chlorophenyl)carbamoylamino]benzoate