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