| 3-(p-chlorophenyl)-1-methyl-1-nitroso-ure |
| 1-(p-chlorophenyl)-3-methyl-3-nitrosourea |
| 1-methyl-1-nitroso-3-(p-chlorophenyl)urea |
| 3-(p-chlorophenyl)-1-methyl-1-nitrosourea |
| n-methyl-n'-(4-chlorophenyl)-n-nitrosourea |
| n-methyl-n'-(p-chlorophenyl)-n-nitrosourea |
