2,4-IMIDAZOLIDINEDIONE, 5-(2-OXO-2-PHENYLETHYLIDENE)- 5-(2-Oxo-2-phenylethylidene)-2,4-imidazolidinedione 5-24-09-00328 (Beilstein Handbook Reference) 5-Phenacylidenyl-1,3-imidazole-2,4-dione 67917-89-9 BRN 0785378