111223-92-8 2,4-IMIDAZOLIDINEDIONE, 3-(3-CHLOROPHENYL)-5-(2-NITROPHENYLMETHYLENE)- 3-(3-Chlorophenyl)-5-(2-nitrophenylmethylene)-2,4-imidazolidinedione Hydantoin, 3-(m-chlorophenyl)-5-(o-nitrobenzylidene)-