2,4-imidazolidinedione, 5-methyl-5-phenyl- 5-methyl-5-phenylimidazolidine-2,4-dione 6843-49-8 InChI=1/C10H10N2O2/c1-10(7-5-3-2-4-6-7)8(13)11-9(14)12-10/h2-6H,1H3,(H2,11,12,13,14