2-Amino-5-bromo-6-methyl-4-pyrimidinol6307-35-3100 % similar 2-Amino-5,6-dimethyl-4(3H)-pyrimidinone3977-23-965 % similar 6,7-Dimethylpterin611-55-245 % similar 4-Hydroxy-2,5,6-triaminopyrimidine1004-75-741 % similar 2,5-Diamino-4,6-dihydroxypyrimidine40769-69-541 % similar 2,6-Diamino-5-nitroso-4(3H)-pyrimidinone2387-48-639 % similar 8-Azaguanine134-58-738 % similar Pterin2236-60-438 % similar 2-Amino-4-hydroxy-6-methylpyrimidine3977-29-538 % similar 8-Mercaptoguanine28128-40-738 % similar 2,5-Diamino-4,6-dihydroxypyrimidine hydrochloride56830-58-138 % similar Guanine73-40-538 % similar 7-Methylguanine578-76-737 % similar 3-Amino-5,6-dimethyl-1,2,4-triazine17584-12-237 % similar Guanine hydrochloride635-39-235 % similar 2,5,6-Triaminopyrimidin-4-ol sulfuric acid salt35011-47-333 % similar 2,5,6-Triamino-4-hydroxypyrimidine sulfate39267-74-833 % similar Acetoguanamine542-02-933 % similar Nolatrexed147149-76-633 % similar Tetrahydrobiopterin17528-72-233 % similar