2,4-Imidazolidinedione, 5-((2,5-dimethoxyphenyl)methylene)- 5-((2,5-Dimethoxyphenyl)methylene)-2,4-imidazolidinedione 5-25-03-00331 (Beilstein Handbook Reference) 52036-18-7 BRN 0669688 Hydantoin, 5-(2,5-dimethoxybenzylidene)-