5-(trifluoromethyl)pyrimidine-2,4(1H,3H)-dione-13C 15N2; 5-(Trifluoromethyl)-2,4(1H,3H)-pyrimidinedione-13C,15N2; 5-(Trifluoromethyl)pyrimidine-2,4-diol-13C,15N2; 5-(Trifluoromethyl)uracil-13C,15N2; 5-Trifluoromethyl-1H-pyrimidine-2,4-dione-13C,15N2; NSC 73757-13C,15N2