6-amino-1,3,5-triazine-2,4(1H,3H)-dione-13C3;6-Amino-1,3,5-triazine-2,4(1H,3H)-dione; 2-Amino-1,3,5-triazine-4,6-dione-13C3;2-Amino-4,6-dihydroxy-s-triazine; Ammelid-13C3; GS 35713-13C3; Melanurenic Acid-13C3; NSC 8146-13C3;s-Dihydroxyaminotriazine-13C3