Lumazine487-21-8100 % similar Lumichrome1086-80-246 % similar Xanthine69-89-645 % similar 7-Methylxanthine552-62-542 % similar Pterin2236-60-439 % similar 5-Hydroxy-2,4(1H,3H)-pyrimidinedione20636-41-339 % similar 3H-1,2,3-Triazolo[4,5-D]pyrimidine-5,7(4H,6H)-dione1468-26-438 % similar Uric acid69-93-238 % similar 5-Chlorouracil1820-81-136 % similar 5-Bromouracil51-20-736 % similar 5-Fluorouracil51-21-836 % similar Thymine65-71-436 % similar 5-Iodouracil696-07-136 % similar 5-Aminouracil932-52-536 % similar 7-Deazaxanthine39929-79-834 % similar 5-(Hydroxymethyl)uracil4433-40-334 % similar Cyanuric acid108-80-533 % similar 5-Formyluracil1195-08-033 % similar 5,6-Dimethyluracil26305-13-533 % similar 5,6-Diaminouracil3240-72-033 % similar