111223-97-3 2,4-IMIDAZOLIDINEDIONE, 3-(3-CHLOROPHENYL)-5-(4-NITROPHENYLMETHYLENE)- 3-(3-Chlorophenyl)-5-(4-nitrophenylmethylene)-2,4-imidazolidinedione Hydantoin, 3-(m-chlorophenyl)-5-(p-nitrobenzylidene)-