6-Methyl-2,4-dioxo-3-phenyl-1h,2h,3h,4h-furo[2,3-d]pyrimidine-5-carboxylic acid

6-Methyl-2,4-dioxo-3-phenyl-1h,2h,3h,4h-furo[2,3-d]pyrimidine-5-carboxylic acid