5-25-08-00439 (Beilstein Handbook Reference) 73909-20-3 BRN 0923592 Benzoic acid, 2-((tetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)methyl)- Benzoic acid, 2-((tetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)methyl)- (9CI) NSC 90754 o-Toluic acid, alpha-(tetrahydro-4,6-dioxo-2-thioxo-5(2H)pyrimidinylidene)-