31089-44-8 4-Pyrimidinecarboxylic acid, 5-amino-1,2,3,6-tetrahydro-2,6-dioxo- 5-Amino-2,6-dioxo-1,2,3,4-tetrahydropyrimidine-4-carboxylic acid 5-Aminoorotic acid 6311-72-4 7164-43-4 EINECS 230-514-2 NSC 43249 Orothic acid, 5-amino- Orotic acid, 5-amino- Orotic acid, 5-amino- (VAN) (8CI)