1,2,4-Triazine-3,5(2H,4H)-dione461-89-2100 % similar 5-Iodo-3(2H)-pyridazinone825633-94-143 % similar Uracil66-22-841 % similar 6-Chlorouracil4270-27-338 % similar 6-Aminouracil873-83-638 % similar 3(2H)-Pyridazinone504-30-337 % similar Maleic hydrazide123-33-135 % similar 6-(Chloromethyl)-2,4(1H,3H)-pyrimidinedione18592-13-734 % similar Cyanuric acid108-80-533 % similar Orotic acid65-86-132 % similar 2,6-Dihydroxypyridine626-06-232 % similar 5-Hydroxy-2,4(1H,3H)-pyrimidinedione20636-41-330 % similar 2-Hydroxy-4,6-dimethylpyrimidine hydrochloride34289-60-630 % similar 6-Bromo-1,2,4-triazine-3,5(2H,4H)-dione4956-05-230 % similar 6-Azathymine932-53-630 % similar