111223-94-0 2,4-IMIDAZOLIDINEDIONE, 3-(3-CHLOROPHENYL)-5-(3-NITROPHENYLMETHYLENE)- 3-(3-Chlorophenyl)-5-(3-nitrophenylmethylene)-2,4-imidazolidinedione Hydantoin, 3-(m-chlorophenyl)-5-(m-nitrobenzylidene)-