49546-71-6 5-((4-Methoxyphenyl)methylene)barbituric acid 5-(p-Methoxybenzylidene)barbituric acid 5-25-03-00353 (Beilstein Handbook Reference) 5-Anisylidinebarbituric acid BARBITURIC ACID, 5-(p-METHOXYBENZYLIDENE)- BRN 0229850 EINECS 256-365-3 NSC 93944