| 3-(2-chlorophenyl)-5-(4-methylphenylmethylene)-4-imidazolidinedione |
| 3-(2-chlorophenyl)-5-(4-methylphenylmethylene)-2,4-imidazolidinedione |
| 3-(o-chlorophenyl)-5-(p-methylbenzylidene)-hydantoi |
| 3-(2-chlorophenyl)-5-(4-methylphenylmethylene)-4-imidazolidinedione |
