Lumichrome1086-80-2100 % similar Lumazine487-21-846 % similar Thymine65-71-443 % similar 7-Methylxanthine552-62-537 % similar 2-Hydroxy-4,6-dimethylpyrimidine108-79-236 % similar 5,6-Dimethyluracil26305-13-536 % similar Xanthine69-89-636 % similar 6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione28888-44-036 % similar 2,6-Dihydroxy-3,4-dimethylpyridine84540-47-634 % similar Quinazolinedione86-96-434 % similar 3H-1,2,3-Triazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione1468-26-433 % similar 2-Hydroxy-4,6-dimethylpyrimidine hydrochloride34289-60-633 % similar Uric acid69-93-233 % similar 6-Azathymine932-53-633 % similar 1,2-Dihydro-4-methyl-3,6-pyridazinedione5754-18-732 % similar 6-Methyluracil626-48-232 % similar 5-Iodouracil696-07-132 % similar 2,5,6-Trimethylbenzoxazole19219-98-831 % similar 2,5,6-Trimethylbenzimidazole3363-56-231 % similar 2,5,6-Trimethylbenzothiazole5683-41-031 % similar