5,6-Dimethyluracil26305-13-5100 % similar 6-Azathymine932-53-652 % similar 6-Methyl-5-nitro-2,4(1H,3H)-pyrimidinedione16632-21-647 % similar Thymine65-71-439 % similar 2,6-Dihydroxy-3,4-dimethylpyridine84540-47-638 % similar 2-Amino-5,6-dimethyl-4(3H)-pyrimidinone3977-23-936 % similar Lumichrome1086-80-236 % similar 2-Hydroxy-4,6-dimethylpyrimidine108-79-236 % similar 5,6-Diaminouracil3240-72-035 % similar 6-Aza-2-thiothymine615-76-934 % similar Lumazine487-21-833 % similar 7-Methylxanthine552-62-532 % similar 3H-1,2,3-Triazolo[4,5-D]pyrimidine-5,7(4H,6H)-dione1468-26-432 % similar 7-Deazaxanthine39929-79-832 % similar Uric acid69-93-232 % similar 5-Hydroxy-2,4(1H,3H)-pyrimidinedione20636-41-332 % similar 2-Hydroxy-4,6-dimethylpyrimidine hydrochloride34289-60-632 % similar 6-Bromo-1,2,4-triazine-3,5(2H,4H)-dione4956-05-232 % similar 6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione28888-44-032 % similar 5-Ethyl-2,4(1H,3H)-pyrimidinedione4212-49-131 % similar