Melamine cyanurate37640-57-653 % similar 2-Hydroxy-4,6-dimethylpyrimidine108-79-244 % similar 2-Hydroxy-4,6-dimethylpyrimidine hydrochloride34289-60-638 % similar Urazole3232-84-637 % similar 5,6-Dimethyluracil26305-13-536 % similar 5,6-Diaminouracil3240-72-036 % similar 6-Chlorouracil4270-27-336 % similar 6-Aminouracil873-83-636 % similar Pyrimidone557-01-735 % similar 1,2,4-Triazine-3,5(2H,4H)-dione461-89-233 % similar Lumazine487-21-833 % similar Uracil66-22-833 % similar 3H-1,2,3-Triazolo[4,5-D]pyrimidine-5,7(4H,6H)-dione1468-26-432 % similar 6-(Chloromethyl)-2,4(1H,3H)-pyrimidinedione18592-13-732 % similar 7-Deazaxanthine39929-79-832 % similar Uric acid69-93-232 % similar 5-Hydroxy-2,4(1H,3H)-pyrimidinedione20636-41-332 % similar 6-Bromo-1,2,4-triazine-3,5(2H,4H)-dione4956-05-232 % similar 4-Thiouracil591-28-632 % similar 6-Azathymine932-53-632 % similar